Definitions
1.nounA 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.
2.nounA fixed routine.
3.nounThe middle of the strike zone in baseball where a pitch is most easily hit.
4.nounA pronounced, enjoyable rhythm.
5.nounA shaft or excavation.
6.nounA 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)
7.verbTo cut a groove or channel in; to form into channels or grooves; to furrow.
8.verbTo perform, dance to, or enjoy rhythmic music."I was just starting to groove to the band when we had to leave."