One of the external openings of the nose, which give passage to the air breathed and to secretions from the nose and eyes; one of the anterior nares.
Either of the external openings of the nose- Outdoor - Located in, done in, or suited to the open air- Patio - An outdoor space for dining or recreation that adjoins a residence and is often paved.
either one of the two external openings to the nasal cavity in the nose
Referring to the physical hole where breathing takes place (in most cetacean s this is referred to as a blowhole.
One of the openings in the nose that allows air to flow in and out of the nasal cavities. The word nostril comes from the Old English nosu, nose + thyrel, hole = the nose hole.
The paired holes in the nose in which air passes in and out when breathing.
A nostril (or nares) is one of the two channels of the nose, from the point where they bifurcate to the external opening. In birds and mammals they contain branched bones or cartilages called turbinates whose function is to warm air on inhalation and remove moisture on exhalation. Fish do not breathe through their noses, but they do have two small holes used for smelling which may be called nostrils.