‖ biset|bizɛ, ˈbɪzɪt| [a. Fr.biset, f.bis dark-grey, greyish brown.] The wild rock-pigeon. 1834R. Mudie Feather. Tribes (1841) I. 74 Biset, a kind of fancy pigeon.1837Penny Cycl. VII. 370/1 The ring pigeon..and the rock pigeon or biset (Columba livia).