the GNU version of the Collaborative International Dictionary of English
adj. Having, or consisting of, ten syllables.
The Century Dictionary and Cyclopedia
Having ten syllables: as, a decasyllabic verse.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. having or characterized by or consisting of ten syllables
Word Usage
"Whether fifty thousand words of prose action or fourteen decasyllabic lines of verse with a strict rhyme scheme, a genre is a list of the minimal conditions that a writer must meet."