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). Synonyms: channel.

(noun) a settled and monotonous routine that is hard to escape. Synonyms: rut. Example: "They fell into a conversational rut."

(noun) (anatomy) any furrow or channel on a bodily structure or part. Synonyms: vallecula.

(verb) make a groove in, or provide with a groove. Example: "Groove a vinyl record."

(verb) hollow out in the form of a furrow or groove. Synonyms: furrow, rut. Example: "Furrow soil."