This house signifies younger brother, sisters and relations with them, courage, intelligence, your thought process, mental strength, education up to high school, how you relate with others in your formative years, taste for writing, skill with hands, contract and document and signing thereof, inquisitive mind, ambitions, short journeys, ornaments, clothes, heroism, patriotism, health of younger brother and his success and failure. Parts of the body indicated by this house are right ear, hands, throat, arms, nervous system and shoulders. This is the house of Kama ( desire). Mars is the significator of this house.
Aries
Aries in the third house shows that you have an active, alert and capable mind to make quick decisions. This shows you were mentally competitive in your early years of life. You are an aggressive learner who always sees new ideas and knowledge. You are an independent thinker, have a strong need to communicate with others and do very well when it comes to express yourself.
Taurus
Taurus in the third house shows that you are very stubborn in thinking, once an idea comes in your mind it stays for a long term. In early years of your life you may have been an indifferent learner but you accumulate knowledge and skill as you mature. Venus is the ruler of this sign this shows your interest in fine arts and music.
Gemini
Gemini is ruled by the planet of intellect, thought and speech, Mercury. Gemini on the cusp of the third house indicates that you are a good conversationalist, a fact collector and mentally stimulating person. You are able to see and adapt a vide variety of points of views and communicate effectively in as many directions. You have too many ideas simultaneously present in your mind at a particular time and some times you may not be able to draw a conclusion due to this.
Cancer
Cancer on the cusp of the third house shows that you are very sensitive in the matter of communication. You react to other emotionally rather than discussing matters rationally. You have an excellent memory and whatever information you receive you retain it in your mind for a very long period, you can remember exact words, gestures and even tones of the voice of the delivery if you have a real interest in a subject. You may not performed very well in your early child hood education that may be because of your very emotional and moody nature at that time. You may have been very close and protective to your brothers and sisters during your early age. You are very attentive to those who are very close to you.
Leo
Leo on the third house suggests that you are very unique while presenting your ideas and the creative focus of your life is centered in the matters of mind. You have an outstanding ability to express yourself but sometimes your style exceeds substance. You know it very well what to say or what not to say. You are very much egoistic that of someone hurts your ego you may say you forgive , but you never do so.
Virgo
Virgo on the cusp of the third house gives an interest in writing, reading, learning and communication. This sign also produces a nervous mind and a worry about the future. You may have an inferiority complex while communicating with others. You can be over critical to the ideas of your siblings and neighbors. Your ideas, speech and writing gradually become precise and as you grow older. You have the habit to go into minute detail of each and every matter and able to make practical and workable plans.
Libra
Libra is ruled by Venus. Placement of Libra in the third house shows your ability to communicate in a graceful and artistic manner. Normally this placement produces artist and musicians. You use tact and fineness to have others agree with you. You have a highly artistic, refined and idealistic mind. You dislike conflict and arguments and adapt at the art of cooperation and adjustment. Due to your these qualities you get along with your family members very easily.
Scorpio
Scorpio placed in the third house suggests that you have very fixed ideas and attitudes in the matters of learning and communication. You are very careful about the use of words while communicating your ideas and have an ability to transform with the written or spoken word. You are very intense and persistent in the quest of knowledge and what ever information you get is well retained by you. You have a determined mind and a fixed opinion and want others to comply with you without question. Those who differ with you, you sharply criticize them. You can have conflict with your family members as well as friends and acquaintances because of this critical nature.
Sagittarius
Sagittarius in the third house suggests a cheerful outlook, broad view point, high spirit and optimism in life. You are an able communicator and are likely to have set important long range goals in the field of learning as learning is very important to you. You are very fond of your friends. You have an excellent instinct to judge the character of others that rarely fails you. What ever situation arises you face it, as if you were well organized and well prepared for that.
Capricorn
Capricorn in the third house shows that you are very careful while expressing your thoughts and ideas in written or verbal form. You have a reputation of being secretive and never write or say anything unless there is a solid reason for doing so. The words you chose are of maximum effect sometimes that may result in harsh and exacting speech. In the early years of your education your education may not have been very good either due to lack of your interest and due to in some other way you were restricted in your ability go get an education.
Aquarius
Aquarius in the third house produces sharp and inventive mind. Your communication skills display the progressiveness as well as the originality of your ideas. You are fascinated by new and different ideas. You have a strong inclination to gain knowledge and to pass your knowledge to others. You have a radical thinking which may be well ahead of time.
Pisces
Pisces influence in the third house shows that you can become very emotional in communicating your ideas and you may experience problem due to that. You want to be in peace and prefer to be alone while performing any intellectual work and at that time you are very creative and imaginative in your thinking and writing. You have very good intuition, awareness and curiosity to know the underlying meaning in the words others speak and an ability to grasp the complete picture of such connections