Note: Do not rely on this information. It is very old.
Sacrum, the bone formed by the union of the five sacral vertebrae and articulating on each side with the two hip-bones forming the posterior part of the pelvis (q.v.).
“God has no better way to make us value his love, than by withdrawing it awhile. If the sun shone but once a year, how it would be prized!”
–Thomas Watson, A Divine Cordial