Groove

Part of speech: noun (n.)

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. Hence: The habitual course of life, work, or affairs; fixed routine. The gregarious trifling of life in the social groove. J. Morley.

3. A shaft or excavation. [Prov. Eng.]

Part of speech: verb (v.)

To cut a groove or channel in; to form into channels or grooves; to furrow.