noun, plural sac·ra [sak-ruh, sey-kruh] /ˈsæk rə, ˈseɪ krə/. Anatomy.
Origin of sacrum
Examples from the Web for sacra
Simple creature, of course she knew not the sacra fames of chess–players.Cradock Nowell, Vol. 2 (of 3)|Richard Doddridge Blackmore
Pueri circum innuptaeque puellae Sacra canuut, funemque manu contingere gaudent.Uppingham by the Sea|John Henry Skrine
The birthday (dies natalis, sacra natalicia) was celebrated in ancient times.Quintus Claudius, Volume 1 of 2|Ernst Eckstein
The gens had its own sacellum or chapel, and its own sacra or religious rites.Custom and Myth|Andrew Lang
They are joined at the coccyges and sacra, and the spinal columns have nearly the same axis.Essays In Pastoral Medicine|Austin Malley
British Dictionary definitions for sacra
noun plural -cra (-krə)
Word Origin for sacrum
Word Origin and History for sacra
bone at the base of the spine, 1753, from Late Latin os sacrum "sacred bone," from Latin os "bone" (see osseous) + sacrum, neuter of sacer "sacred" (see sacred). Said to be so called because the bone was the part of animals that was offered in sacrifices. Translation of Greek hieron osteon. Greek hieros also can mean "strong," and some sources suggest the Latin is a mistranslation of Galen, who was calling it "the strong bone."