? A subtle ‘blade’. Obsolete.

(the name of) a stock character, esp. in Renaissance comedies, characterized by wit or sagacity.

a ‘dealer’ in wit, an utterer of witty sayings (contemptuous).

With possessive pronoun used as a fanciful title for a witty person.

A clever genius, a brilliant wit.

a maker of wit, an author of witty sayings.

(transferred from 7.) A person of lively fancy, who has the faculty of saying smart or brilliant things, now always so as to amuse; a witty person.