All ridge antonyms
ridge
R r noun ridge
- flute — a musical wind instrument consisting of a tube with a series of fingerholes or keys, in which the wind is directed against a sharp edge, either directly, as in the modern transverse flute, or through a flue, as in the recorder.
- flat — horizontally level: a flat roof.
- groove — a long, narrow cut or indentation in a surface, as the cut in a board to receive the tongue of another board (tongue-and-groove joint) a furrow, or a natural indentation on an organism.