The Collaborative International Dictionary
Olfactory \Ol*fac"to*ry\, a. [L. olfactus, p. p. of olfacere to smell; olere to have a smell + facere to make. See Odor, and Fact.] (Physiol.) Of, pertaining to, or connected with, the sense of smell; as, the olfactory nerves; the olfactory cells.
Olfactory organ (Anat.), an organ for smelling. In vertebrates the olfactory organs are more or less complicated sacs, situated in the front part of the head and lined with epithelium innervated by the olfactory (or first cranial) nerves, and sensitive to odoriferous particles conveyed to it in the air or in water.
WordNet
n. the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals; "he has a cold in the nose" [syn: nose]
Usage examples of "olfactory organ".
Jik-jik contemptuously plucked a wide golden leaf from the row beside him, waved it under his olfactory organ.
Automatically, his olfactory organ filtered out the stench of the rotting garbage, the rankness of unwashed bodies, both alien and human, and the sharp, musky scent of his Chadra-Fan friend and accomplice.
Floss paused to twitch a complex earlike appendage which Dammy recognized as an olfactory organ.
All these meek who have inherited the Earth are really getting up my olfactory organ.