GROOVE

groove. Groove, n. a hollow cut with a tool; v.t. to hollow

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Groove (?), n. [[D. groef, groeve; akin to E. grove. See Grove.]] 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. [[See Grove.]] (Mining) A shaft or excavation.