1. noun
a) A poetic form with regular meter and a fixed rhyme scheme.
Restoration literature is well known for its carefully constructed verse.
b) Poetic form in general.
The restrictions of verse have been steadily relaxed over time.
See Also: versification, versify
2. verb
He versed us in the finer points of category theory.
b) To face someone in some kind of game, duel, or battle
Wikipedia foundation.