释义 |
tri·gone \ˈtrīˌgōn\ noun (-s) Etymology: French, literally, triangle, from Latin trigonum 1. also tri·gon \-ˌgän\ : a triangular body part; specifically : a smooth triangular area on the inner surface of the bladder limited by the apertures of the ureters and urethra 2. : a thickening of plant cell walls that occurs when three or more cells adjoin |