S: (n) conceit (an elaborate poetic image or a far-fetched comparison of very dissimilar things)
S: (n) irony (a trope that involves incongruity between what is expected and what occurs)
S: (n) dramatic irony ((theater) irony that occurs when the meaning of the situation is understood by the audience but not by the characters in the play)
S: (n) kenning (conventional metaphoric name for something, used especially in Old English and Old Norse poetry)
S: (n) metaphor (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)
S: (n) dead metaphor, frozen metaphor (a metaphor that has occurred so often that it has become a new meaning of the expression (e.g., `he is a snake' may once have been a metaphor but after years of use it has died and become a new sense of the word `snake'))
S: (n) mixed metaphor (a combination of two or more metaphors that together produce a ridiculous effect)
S: (n) synesthetic metaphor (a metaphor that exploits a similarity between experiences in different sense modalities)
S: (n) metonymy (substituting the name of an attribute or feature for the name of the thing itself (as in `they counted heads'))
S: (n) metalepsis (substituting metonymy of one figurative sense for another)
S: (n) oxymoron (conjoining contradictory terms (as in `deafening silence'))
S: (n) simile (a figure of speech that expresses a resemblance between things of different kinds (usually formed with `like' or `as'))
S: (n) synecdoche (substituting a more inclusive term for a less inclusive one or vice versa)
S: (n) zeugma (use of a verb with two or more complements, playing on the verb's polysemy, for humorous effect) "`Mr. Pickwick took his hat and his leave' is an example of zeugma"
S: (n) syllepsis (use of a word to govern two or more words though agreeing in number or case etc. with only one)