noun
1. : either lateral half of the nasal cavity
2. : one of the depressions or grooves on the bill in which the nostrils of most birds are situated
noun
1. : either lateral half of the nasal cavity
2. : one of the depressions or grooves on the bill in which the nostrils of most birds are situated
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012