| 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 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. |
obstruction ob·struc·tion (əb-strŭk'shən, ŏb-)
n.
The blocking of a body passage, as by clogging or stricture.
The state of being obstructed.
Something, such as a mass or stricture, that obstructs.