| 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. |
metacentric met·a·cen·tric (mět'ə-sěn'trĭk)
adj.
Having the centromere of a chromosome in the median position so that the arms are of equal length. n.
A metacentric chromosome.