scent

from The Century Dictionary.

• To perceive or discern by the smell; smell: as, to scent game.
• To perceive in any way; especially, to have a faint inkling or suspicion of.
• To fill with smell, odor, or effluvium; cause to smell; make fragrant or stinking; perfume.
• To be or become scented; have odor; be odoriferous; smell.
• To hunt or pursue by scent.
• noun An effluvium from any body capable of affecting the olfactory sense and being perceived as a smell; anything that can be smelled; odor; smell; fragrance or perfume.
• noun A fragrant liquid distilled from flowers, etc., used to perfume the handkerchief and other articles of dress; a perfume.
• noun The sense of smell; the faculty of olfaction; smell: as, a hound of nice scent.
• noun The odoriferous trace of an animal's presence; the effluvium left by an animal in passing, by means of which it may be tracked or trailed by smell; hence, the track of such an animal; the course of its pursuit: as, to lose or recover the scent, as dogs: often used figuratively of any trace by which pursuit or inquiry of any kind can be guided.
• noun Scraps of paper strewed on the ground by the pursued in the boys' game of hare and hounds, or by the “fox” in a paper-hunt, to enable the pursuers to track them or him.
• noun Inkling; faint knowledge or suspicion.
• noun Specilically, the supposed faculty of discerning odors in some way distinct from ordinary physical means.
• noun = Syn.1. Odor, Fragrance, etc. See smell.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To perceive by the olfactory organs; to smell.
• transitive verb To imbue or fill with odor; to perfume.
• intransitive verb obsolete To have a smell.
• intransitive verb To hunt animals by means of the sense of smell.
• noun That which, issuing from a body, affects the olfactory organs of animals; odor; smell.
• noun Specifically, the odor left by an animal on the ground in passing over it; ; hence, course of pursuit; track of discovery.
• noun The power of smelling; the sense of smell.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A distinctive odour or smell.
• noun An odour left by an animal that may be used for tracing.
• noun The sense of smell.
• noun A perfume.
• noun figuratively Any trail or trace that can be followed to find something or someone.
• verb to detect the scent of
• verb to impart an odour to

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb cause to smell or be smelly
• verb catch the scent of; get wind of
• noun a distinctive odor that is pleasant
• noun any property detected by the olfactory system
• verb apply perfume to
• noun an odor left in passing by which a person or animal can be traced