n. (pl. sacra or sacrums) Anat. a triangular bone formed from fused vertebrae and situated between the two hip-bones of the pelvis.
[ L os sacrum transl. Gk hieron osteon sacred bone (from its sacrificial use) ]
n. (pl. sacra or sacrums) Anat. a triangular bone formed from fused vertebrae and situated between the two hip-bones of the pelvis.
[ L os sacrum transl. Gk hieron osteon sacred bone (from its sacrificial use) ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012