n. [ D. groef, groeve; akin to E. grove. See Grove. ]
The gregarious trifling of life in the social groove. J. Morley. [ 1913 Webster ]
v. t.
adj.
n.
n. The act of forming a groove or grooves; a groove, or collection of grooves.
a. Very pleasant or very enjoyable; marvelous; wonderful; excellent; -- expressing strong approval, usually of enjoyable experiences. [ informal, 1960's ]