What is the meaning of Groove?

A long, narrow channel or depression; e.g., such a slot cut into a hard material to provide a location for an engineering component, a tyre groove, or a geological channel or depression.

A fixed routine.

The middle of the strike zone in baseball where a pitch is most easily hit.

A pronounced, enjoyable rhythm.

A good feeling (often as in the groove).

A shaft or excavation.

A racing line, a path across the racing circuit's surface that a racecar will usually track on. (Note: There may be multiple grooves on any particular circuit or segment of circuit)

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

To perform, dance to, or enjoy rhythmic music.

groove (fixed routine)

groove (music style)

Source: wiktionary.org