Tetrametric means having four metrical feet in a line of verse. Some synonyms for this word are quadruple, fourfold, four-part, and four-beat. Other words that have a similar meaning to tetrametric include octosyllabic (having eight syllables per line of verse) and four-stress (having four stressed syllables per line of verse). These words are commonly used in poetry to describe the rhythm, structure, and arrangement of words in a verse. They help poets to create a musical quality in their writing, and to convey emotions and ideas through the use of sound and meter.