GROOVE

Definitions

1. 1. A furrow, channel, or long hollow, such as may be formed by cutting, molding, grinding, the wearing force of flowing water, or constant travel; a depressed way; a worn path; a rut.
2. 2. Hence: The habitual course of life, work, or affairs; fixed routine. The gregarious trifling of life in the social groove. J. Morley.
3. 3. A shaft or excavation. [Prov. Eng.]