metaphor /mĕt′ə-fôr″, -fər/

noun

A figure of speech in which a word or phrase that ordinarily designates one thing is used to designate another, thus making an implicit comparison, as in “a sea of troubles” or One thing conceived as representing another; a symbol. The transference of the relation between one set of objects to another set for the purpose of brief explanation; a compressed simile; e. g., the ship plows the sea.