1. a person who enjoys and dances to groove music or rhythmic music; someone who grooves
Usage: informal; often used in music and dance contexts
2. a tool or machine that cuts grooves or channels into a surface
Usage: technical; woodworking or manufacturing context

Examples

• She's a real groover who hits the dance floor every weekend.
• The groover on the lathe creates precise channels in the metal.
• He became a groover after discovering funk and soul music.
• The woodworker used a groover to cut decorative lines into the cabinet.
• That groover can't resist a good beat.