pelvis

pelvis
(pl. pelvises 或 pelves -viːz)

the large bony structure near the base of the spine to which the hindlimbs or legs are attached in humans and many other vertebrates
骨盆；盆腔
■the part of the abdomen including or enclosed by the pelvis
骨盆带
In humans the pelvis, fused to the base of the spine, forms a basin-shaped hollow frame at the hips, partly supporting the internal organs and providing attachment for the bones and muscles of the legs
(亦作 renal pelvis)the broadened top part of the ureter into which the kidney tubules drain
肾盂，盂

语源