Jest (n.) A deed; an action; a gest.

Jest (n.) A mask; a pageant; an interlude.

Jest (n.) Something done or said in order to amuse; a joke; a witticism; a jocose or sportive remark or phrase. See Synonyms under Jest, v. i.

Jest (v. i.) The object of laughter or sport; a laughingstock.

Jest (v. i.) To take part in a merrymaking; -- especially, to act in a mask or interlude.

Jest (v. i.) To make merriment by words or actions; to joke; to make light of anything.