单词 | rictus |
释义 | ric·tus ![]() n. pl. rictus or ric·tus·es 1. A gaping grimace: "his mouth gaping in a kind of rictus of startled alarm" (Richard Adams). 2. a. The expanse of an open mouth or a bird's beak. b. The corner of the mouth or the fleshy area where the upper and lower mandibles of a bird meet. [Latin, from past participle of ringī, to gape.] rictal adj. |
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