1. Either one of the two external openings to the nasal cavity in the nose
   "He flared his nostrils as he caught the scent";
   - anterior naris

Derived forms: nostrils

Type of: naris

Part of: beak [informal], conk [Brit, informal], honker [informal], hooter [informal], nose, nozzle [informal], olfactory organ, schnoz [informal], schnozzle [informal], snoot [informal], snout [informal]

Encyclopedia: Nostril