metaphor
n//ˈmɛ.tə.fə//metafor
(uncountable, figure of speech) The use of a word, phrase, concept, or set of concepts to refer to something other than its literal meaning, invoking an implicit similarity between the thing described and what is denoted by the word, etc., that is used.
(countable, figure of speech) A word or phrase used in such implied comparison.