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.
1550s, "one who keeps a rule, custom, etc.," from observe. Meaning "one who watches and takes notice" is from 1580s; this is the sense of the word in many newspaper names.