odor
Multiple Entries:odor odour
Concise Oxford English Dictionary © 2008 Oxford University Press:
odor
▶noun US spelling of odour.
Concise Oxford English Dictionary © 2008 Oxford University Press:
odour /ˈəʊdə(r)/ (US odor)
▶noun
- 1 a distinctive smell.
- 2 a lingering quality or impression.
– phrases
be in good (or bad) odour informal be in or out of favour.
be in good (or bad) odour informal be in or out of favour.
– derivatives
odorize (or odorise) verb,
odorizer (or odoriser) noun,
odorous adjective,
odourless adjective.
odorize (or odorise) verb,
odorizer (or odoriser) noun,
odorous adjective,
odourless adjective.
– origin ME: from Anglo-Norman Fr., from L. odor ‘smell’.
'odor' also found in these Oxford entries:

