SACRUM OR OS-SACRUM

\sˈe͡ɪkɹəm ɔːɹ ˌə͡ʊˈɛssˈe͡ɪkɹəm], \sˈe‍ɪkɹəm ɔːɹ ˌə‍ʊˈɛssˈe‍ɪkɹəm], \s_ˈeɪ_k_ɹ_ə_m ɔː_ɹ ˌəʊ_ˈɛ_s_s_ˈeɪ_k_ɹ_ə_m]\

Definitions of SACRUM OR OS-SACRUM