odor

noun

1. (US, countable, uncountable)Any smell, whether fragrant or offensive.

   “Now, I still think that for this box of matches to have escaped the wear of time for immemorial years was a strange, and for me, a most fortunate thing. Yet oddly enough I found here a far more unlikely substance, and that was camphor. I found it in a sealed jar, that, by chance, I supposed had been really hermetically sealed. I fancied at first the stuff was paraffin wax, and smashed the jar accordingly. But the odour of camphor was unmistakable.”

   “Both chemicals are solid oxidizers in granular form and have a chlorine odor. […] Plant 12 also stored super sacks of bromochloro-5,5-dimethylimidazolidine-2,4-dione (BCDMH), which is a granular solid oxidizer with a halogen odor that, in addition to chlorine gas and hydrogen chloride, can also release bromine gas and hydrogen bromide upon decomposition.”

   “BioLab officials told the investigators they had established a permanent fire watch two or three months prior to the incident after strong odors from oxidizers in two storage buildings were detected, according to the CSB report. BioLab also told CSB two employees were on duty for fire watch on September 29.”

2. (US, countable, figuratively, uncountable)A strong, pervasive quality.

   “In different parts of the coast different species of animals are accounted sacred, because they are supposed to be animated by the spirits of the dead. Hence monkeys near Fishtown, snakes at Whydah, and crocodiles near Dix Cove live in the odour of sanctity."”

3. (US, figuratively, uncountable)Esteem.
4. (US, archaic, countable, uncountable)Something which produces a scent; incense, a perfume.

   “On the morowe after the ſaboth / erly in the mornynge / they cam vnto the toumbe and brought the odourſ whych they had prepared / and other wemen wyth them.”