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Look up sacrum in Wiktionary, the free dictionary.
Sacrum is the neuter form of the Latin adjective sacer, meaning "holy" or "sacred". It is a large, triangular bone at the base of the spine and at the upper and back part of the pelvic cavity.
Sacrum may also refer to:
- Canticum Sacrum ad Honorem Sancti Marci Nominis, a 17-minute choral-orchestral piece composed in 1955 by Igor Stravinsky
- "O sacrum convivium", a Latin prose text honoring the Blessed Sacrament
- Annum sacrum, an encyclical by Pope Leo XIII