Epigram

Webster's Dictionary of the English Language

·noun The style of the epigram.

II. Epigram ·noun An effusion of wit; a bright thought tersely and sharply expressed, whether in verse or prose.

III. Epigram ·noun A short poem treating concisely and pointedly of a single thought or event. The modern epigram is so contrived as to surprise the reader with a witticism or ingenious turn of thought, and is often satirical in character.