the world > animals > animal body > general parts > [noun] > sucker
acetabulum1661
sucker1681
sucking-cup1840
sucker-cup1845
sucking-foot1856
sucker-foot1870
sucker-disk1964
1840 E. Blyth et al. Cuvier's Animal Kingdom 446 The two anterior [legs]..exhibiting, on the inside, a kind of rosette, formed by the muscles, and seeming to act as a sucking-cup.