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 screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
1598, from L. innocuus "harmless," from in- "not" + nocuus "hurtful," from root of nocere "to injure, harm," from *nok-s-, suffixed form of PIE base *nek- "death" (see noxious).