an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a gadget; dingus; thingumbob.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
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.
"medieval European coin," late 14c., probably from M.Du. groot, elliptical use of adj. meaning "great" (in sense of "thick"); see great. Recognized from 13c. in various nations, in 14c. it was roughly one-eighth an ounce of silver; the English groat coined 1351-2 was worth four pence.