骨盆腔 gǔpénqiāng pelvic cavity Origin Definitions Defs Strokes Stroke Words Sentences Sents 骨盆 gǔpén pelvis the ring-shaped bony structure in humans and other mammals that supports the spine and protects organs such as the bladder腔 qiāng noun cavity (bound form) a hollow space or cavity inside the body or an object