耻骨
Pubis \Pu"bis\, n. [NL. See {Pubes}.] (Anat.) The ventral and anterior of the three principal bones composing either half of the pelvis; sharebone; pubic bone.
pubis n : one of the three sections of the hipbone; together the two pubic bones form the front of the pelvis [syn: {pubic bone}, {os pubis}] [also: {pubes} (pl)]