Sacro- \Sa"cro-\ (Anat.) A combining form denoting connection with, or relation to, the sacrum, as in sacro-coccygeal, sacro-iliac, sacrosciatic. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Sacro- \Sa"cro-\ (Anat.) A combining form denoting connection with, or relation to, the sacrum, as in sacro-coccygeal, sacro-iliac, sacrosciatic.

Source: Webster's Revised Unabridged Dictionary (1913)