octosyllable
oc·to·syl·lable
noun
1.
a verse line having eight syllables or a poem of octosyllabic lines
Origin
From octo- + syllable.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.