- either of the external openings of the nose
- the fleshy wall on either side of the nose: with flaring nostrils
Origin of nostrilMiddle English nosethirl ; from Old English nosthyrl ; from nos, for nosu, the nose + thyrel, a hole ; from thurh, through: see nose and amp; through
Either of the external openings of the nose; a naris.
Origin of nostrilMiddle English nostrille, from Old English nosthyrl : nosu, nose; see nas- in Indo-European roots + thyrl, hole; see ter&schwa;-2 in Indo-European roots.