Grig \Grig\ (gr[i^]g), n. [Cf. Sw. kr["a]k little creature, reptile; or D. kriek cricket, E. cricket.] 1. (Zo["o]l.) (a) A cricket or grasshopper. [Prov. Eng.] (b) Any small eel. (c) The broad-nosed eel. See {Glut}. [Prov. Eng.] 2. Heath. [Prov. Eng.] --Audrey. {As merry as a grig} [etymology uncertain], a saying supposed by some to be a corruption of ``As merry as a Greek; '' by others, to be an allusion to the cricket.