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.

Source: Webster's Revised Unabridged Dictionary (1913)