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.
a fool or simpleton; ninny.
the offspring of a zebra and a donkey.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
late 15c., in alchemy, "tempering, refining of something to a certain degree," from graduate (q.v.). General sense of "dividing into degrees" is from 1590s; meaning "action of receiving or giving an academic degree" is from 1630s; in reference to the ceremony where a degree is given, from 1850s.