metaphor has definitions from the field of rhetoric
1
[ noun ] (rhetoric) a figure of speech in which an expression is used to refer to something that it does not literally denote in order to suggest a similarity

Used in print

(Robert E. Lane, The Liberties of Wit: Humanism, Critici...)

In a symposium and general exploration of the field of Person Perception and Interpersonal Behavior the discussion does not touch upon this aspect of the subject , with one possible exception ; Solomon_Asch shows the transcultural stability of metaphors based on sensation ( hot , sweet , bitter , etc . ) dealing with personal qualities of human_beings and events .

But to go from here to the belief that those more sensitive to metaphor and language will also be more sensitive to personal differences is too great an inferential leap .

(Harold Searles, "Schizophrenic Communication,"...)

Or , equally often , a concretistic seeming , particularistic seeming statement may consist , with its mundane exterior , in a form of poetry - may be full of meaning and emotion when interpreted as a figurative expression : a metaphor , a simile , an allegory , or some other symbolic mode of speaking .

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