Definition - A comparison of one thing with another thing, often (but not always) using like or as.

Example -
My love is like a red, red wheel barrow. (William Carlos Burns)

Etymology -
The word derives from the Latin similis, like or similar.

Oxford English Dictionary -
Its first citation is from 1393:
"By this simile … ich seo an euidence, That ho so synegeþ in þe seynt espirit asoilled worth he neuere."
(Langl. P. Pl. C. xx. 160 )

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