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.
early 13c., "trusting," from trust; meaning "reliable, to be counted on" is from early 14c. The noun meaning "a prisoner granted special privileges as reward for good conduct" is first attested 1855.