NOSTALGIC
Nos*tal"gic, a. Etym: [Cf. F. nostalgique.]
Defn: Of or pertaining to nostalgia; affected with nostalgia.
NOSTALGY
Nos*tal"gy, n.
Defn: Same as Nostalgia.
NOSTOC
Nos"toc, n. Etym: [F.] (Bot.)
Defn: A genus of algæ. The plants are composed of moniliform cells imbedded in a gelatinous substance.
Note: Nostoc commune is found on the ground, and is ordinarily not seen; but after a rain it swells up into a conspicuous jellylike mass, whish was formerly supposed to have fallen from the sky, whence the popular names, fallen star and star jelly. Also called witches' butter.
NOSTRIL Nos"tril, n. Etym: [OE. nosethril, nosethirl, AS. nospyrl; nos for nosu nose + pyrel opening, hole, from pyrel pierced, for pyrhel, fr. purh through. Nose, and Through, and cf. Thrill.]
1. (Anat.)
Defn: 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.