(biochemistry) Any enzyme that catalyzes the cleavage of an isopeptide bond, especially that between the terminal diglycine attached to ubiquitin

(board games, US, Canada, in the singular) A game for two players played on a chessboard; the players have 12 pieces each, and the object is to capture all the opponent’s pieces by jumping over the...

A square box with a hole in the bottom, used in ice fishing.

A surname.