Pelvis

pel′vis, n. the bony cavity at the lower end of the trunk, forming the lower part of the abdomen.— adjs. Pel′vic , of or pertaining to the pelvis; Pel′viform , openly cup-shaped.— ns. Pelvim′eter , an instrument for measuring the diameters of the pelvis; Pelvim′etry . [L. pelvis , a basin.]