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.

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

To perform, dance to, or enjoy rhythmic music.

"I was just starting to groove to the band when we had to leave."