👉 Tetrasyllable is a term used in linguistics and phonology to describe a word or phrase that has three syllables. It refers to a word with three distinct sounds, where each sound is pronounced separately but can be connected together by means of a bridge or bridge-like feature. Tetrasyllable words are often associated with words with complex structures, such as compound words and hyponyms, which can be broken down into simpler units through the use of a bridge.