- 4 Physics a quantized property of quarks which differentiates them into at least six varieties (up, down, charmed, strange, top, bottom). Compare with colour.
late Middle English (in the sense 'fragrance, aroma'): from Old French flaor, perhaps based on a blend of Latin flatus 'blowing' and foetor 'stench'; the -v- appears to have been introduced in Middle English by association with savour. flavour (sense 1 of the noun) dates from the late 17th century
Remember that flavour ends with -our (the spelling flavor is American).