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 gadget; dingus; thingumbob.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
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.
"faulty action, blunder," 1912, from Mod.L., from para- "beside" + Gk. praxis "a doing, transaction, business," from stem of prattein "to do." In psychology, a minor error held to reveal a subconscious motive.