Noun
a verse line having ten syllables
Source: WordNetCaesura is typical for syllabic metres of French and Polish poetry and for "osmerac" (octosyllable) and "deseterac" (decasyllable) of Serbocroatian folk song. Source: Internet
It is a decasyllable line, probably borrowed from French and Italian forms, with riding rhyme and, occasionally, a caesura in the middle of a line. Source: Internet