SynonymDefinitionAntonym.com - English Synonym Dictionary

A settled and monotonous routine that is hard to escape

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

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)

Hollow out in the form of a furrow or groove

Make a groove in, or provide with a groove