Definitions for simileˈsɪm ə li

Random House Webster's College Dictionary

sim•i•leˈsɪm ə li(n.)

a figure of speech in which two distinct things are compared by using “like” or “as,” as in “She is like a rose.”
Category: Rhetoric
Ref: Compare metaphor

Origin of simile:

1350–1400; < L: image, likeness, comparison, n. use of neut. of similissimilar

Princeton's WordNet

simile(noun)
a figure of speech that expresses a resemblance between things of different kinds (usually formed with `like' or `as')

Wiktionary

simile(Noun)
A figure of speech in which one thing is compared to another, in the case of English generally using like or as.
A simile is like a metaphor.

Origin: First attested 1393, from simile ("comparison, likeness", "parallel"), originally from simile the neuter form of similis ("like, similar, resembling"). Confer the English similar.

Webster Dictionary

Simile(noun)
a word or phrase by which anything is likened, in one or more of its aspects, to something else; a similitude; a poetical or imaginative comparison