ETYM Old Eng. odor, odour, Old Fren. odor, odour, French odeur, from Latin odor; akin to olere to smell, Greek odore.
Irritating smell, which causes a nuisance but is not actually dangerous. Odors are a frequent cause of complaints made by householders living near some types of industry or agriculture.(Alternate spelling: odour).
The sensation that results when olfactory receptors in the nose are stimulated; a smell, often unpleasant.