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 calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
late 14c., "hard-working," from O.Fr. laborieux (12c.), from L. laboriosus "toilsome, wearisome, troublesome," from labor. Meaning "costing much labor" is from 1550s. Related: Laboriously.