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.
the offspring of a zebra and a donkey.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
1581, from M.L. praxis "practice, action" (c.1255, opposite of theory), from Gk. praxis "practice, action, doing," from stem of prassein "to do, to act."