Real Dictionary

hexameter in American English
a line of verse containing six metrical feet or measures; specif., the six-foot dactylic line of classical verse, the first four feet of which may be either dactyls or spondees, the fifth a dactyl, and the sixth a spondee or trochee
having six metrical feet or measures
adjective: consisting of six metrical feet
noun: a dactylic line of six feet, as in Greek and Latin epic poetry, in which the first four feet are dactyls or spondees, the fifth is ordinarily a dactyl, and the last is a trochee or spondee, with a caesura usually following the long syllable in the third f

hexameter in British English
noun: a verse line consisting of six metrical feet