n. (US odor)
1. the property of a substance that has an effect on the nasal sense of smell.
2 a lasting quality or trace attaching to something (an odour of intolerance).
3 regard, repute (in bad odour).
Derivatives:
odourless adj. (in sense 1).
Etymology: ME f. AF odour, OF odor f. L odor -oris smell, scent