Verb. Present participle of verse.

Noun. A poem. (plural versings)
• 1892, The History of Early English Literature - Henry of Huntingdon's account of the siege is full of details which have on the whole been accepted as historical, and it is conjectured that he had before him some ancient versings of the fight.

Verb. High school slang meaning to compete against another school's team, as in "We're going to be versing the Brown Bombers next week." From the preposition "versus."
The New York Times, February 20, 1984