The definition of a meme is a piece of religion or culture that is spreads from person to person by repeated use.
(noun)An example of a meme is the practice of baptism in the Christian faith.
See meme in Webster's New World College Dictionary
noun
Origin: short for mimeme: both coined by R. Dawkins (1941-), Brit biologist ? < mimesis + -eme
See meme in American Heritage Dictionary 4
noun
Origin:
Origin: Shortening (modeled on gene)
Origin: of mimeme
Origin: , from Greek mimēma, something imitated
Origin: , from mimeisthai, to imitate; see mimesis
.Learn more about meme