a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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.
late 14c., "type of clayey soil (much used in pigments)," from O.Fr. ocre (c.1300), from L. ochra, from Gk. ochra, from ochros "pale yellow," of unknown origin. As a color name, "brownish-yellow," it is attested from mid-15c.