| articulatio spheroidea | |
noun | |
| a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone [syn: ball-and-socket joint] |
| 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. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
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