noun a shaft or excavation.
2. groove ·noun hence: the habitual course of life, work, or affairs; fixed routine.
3. groove ·vt to cut a groove or channel in; to form into channels or grooves; to furrow.
4. groove ·noun 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.