a. [f. L. acētābul-um + -AR, as if ad. L. *acētābulār-is.] Cup-like, cup-shaped; sucker-shaped.
1849. Murchison, Siluria, App. 544. The acetabular hooklets of Cephalopods.
1856. Woodward, Mollusca, I. 76, note. The specimens … show the large acetabular bases of the hooks.
