a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a gadget; dingus; thingumbob.
a stew of meat, vegetables, potatoes, etc.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
c.1600, from Fr. immémorial (16c.) "old beyond memory," from M.L. immemorialis, from in- "not" + memorialis (see memorial). Something immemorial is ancient beyond memory; something immemorable (1550s) is not memorable.