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Acetabula
The Century Dictionary and Cyclopedia
noun.
Plural of
acetabulum
.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Plural form of
acetabulum
.
Word Usage
"Proboscises and twining tentacles, with acetabula set upon them, act in the same way and have the same structure as those plaited instruments which were used by physicians of old to reduce dislocations of the fingers."