/kawr'teuh koh ster"oyd, -stear"-/ , n. Biochem.
any of a class of steroids, as aldosterone, hydrocortisone, or cortisone, occurring in nature, esp. as a product of the adrenal cortex, or synthesized. Also called corticoid /kawr"teuh koyd'/ .
[ 1940-45; CORTICO- + STEROID ]