groove - noun

a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)

a settled and monotonous routine that is hard to escape

(anatomy) any furrow or channel on a bodily structure or part

groove - verb

• make a groove in, or provide with a groove
• hollow out in the form of a furrow or groove

groove - thesaurus

channel   furrow   rut   vallecula