groove

Main Entry: ¹groove 

Pronunciation: \ˈgrüv\

Function: noun

Etymology: Middle English grove pit, cave, from Middle Dutch groeve; akin to Old High German gruoba pit, cave, Old English grafan to dig — more at grave

Date: 1659

1 : a long narrow channel or depression
2 a : a fixed routine : rut b : a situation suited to one's abilities or interests : niche
3 : top form
4 : the middle of the strike zone in baseball where a pitch is most easily hit
5 : an enjoyable or exciting experience
6 : a pronounced enjoyable rhythm