- a word or line of verse of five syllables.
Origin of pentasyllable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pentasyllabic
A tetrasyllabic word has two accents when it stands at the beginning of a line, and a pentasyllabic word always.
Pentasyllabic, pen-ta-si-lab′ik, adj. having five syllables.
Pentasyllabic Verse: A verse of five syllables must have an accent on the fourth.Legends, Tales and Poems
Gustavo Adolfo Becquer