A paper wasp of species Polistes annularis.

plural of Mickey Mouse ring

(idiomatic) To announce one's candidacy in a contest

Alternative form of throw one's hat in the ring

Alternative form of throw one's hat in the ring

Alternative form of throw one's hat in the ring

(algebra, logic) The form of a Boolean formula expressed using only the operators and constants of a Boolean ring (XOR, AND, 0, 1), some variables and possibly also coefficients, and without using any parentheses.