Through the past researches, authors defined “polysemy” as the character of a word which creates many different meanings among other words in a sentence. Following this, the behaviors of words used in the text description by architects have been investigated by focusing on the relationship between each word. This research aimes to obtain a new potential perspective to reevaluate the word "Ma", and to observe the conceptual structure in a part. Therefore, the objective of this research is to reveal the polysemy of "Ma" in text description of buildings by architects. As a result, at least 19 types of polysemy of “Ma” and their relationships in the text description by architects were revealed.