RhymeZone: variant definitions

Definitions of variant:

noun: something a little different from others of the same type
Example: "An emery wheel is a modern variant of the grindstone"
noun: (biology) a group of organisms within a species that differ in trivial ways from similar groups
noun: a variable quantity that is random
noun: an event that departs from expectations
adjective: differing from a norm or standard
Example: "A variant spelling"