释义 |
ac·e·tab·u·lum \ˌasəˈtabyələm\ noun (plural acetabulums \-ləmz\ ; or acetabu·la \-lə\) Etymology: Latin, from acetum vinegar — more at acetic 1. : a little cup used in ancient Rome to hold vinegar or sauce at the table 2. a. : the cup-shaped socket in the hipbone that receives the head of the thigh bone b. : the cavity into which the leg of an insect is inserted at its articulation with the body 3. [New Latin, from Latin] : one of the cotyledons or lobes of the placenta in ruminating animals 4. [New Latin, from Latin] : a sucker of certain invertebrates: as a. : a ventral sucker of many trematodes b. : one of the suckers on the scolex of a tapeworm c. : the posterior sucker of a leech |