sacrococcygeal

adjective
sa·​cro·​coc·​cy·​geal | \ ˌsā-krō-käk-ˈsij(-ē)-əl How to pronounce sacrococcygeal (audio) , ˌsak-rō- How to pronounce sacrococcygeal (audio) \

Medical Definition of sacrococcygeal

: of, relating to, affecting, or performed by way of the region of the sacrum and coccyx a sacrococcygeal teratoma