Meme Definition

mēm

memes

noun

A concept, belief, or practice conceived as a unit of cultural information that may be passed on from person to person, subject to influences in a way analogous to natural selection.

Webster's New World

(Internet, slang) Something that is copied and circulated online with slight adaptions, including quizzes, basic pictures, video templates etc.

Wiktionary

Other Word Forms of Meme

Noun

Singular:

meme

Plural:

memes

Origin of Meme

Shortening (modeled on gene) of mimeme from Greek mimēma something imitated from mimeisthai to imitate mimesis

From American Heritage Dictionary of the English Language, 5th Edition
Coined by Richard Dawkins in his book The Selfish Gene (1976). Shortened (after gene) from mimeme, from Ancient Greek μίμημα (mimema, “imitation, copy”).

From Wiktionary