agate n

Fr agathe > L. achātes.

  1. Colorful gemstone; semi-precious stone; variegated chalcedony with colorful bands or markings due to the infiltration of other minerals; [fig.] corpse; dead body; body in rigor mortis [probably referring to the body of Edward Hitchcock, professor of natural theology and geology at Amherst College]; (see Isaiah 54:11-12).