A roast beef sandwich on white bread is a deli classic. Usually made with beef from the round, or hind leg, section of the cow -- roast beef is one of the leaner cuts of beef with fewer calories than fattier sections. Video of the Day
corpus callosum. a great band of deeply situated transverse white fibers uniting the two halves of the cerebrum in humans and other mammals.
Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia, Wikipedia. Related to corpus spongiosum: corpus cavernosum. [sponâ²jÄÂ·Åâ²sÉm] one of the cylinders of spongy tissue, with the corpora cavernosa, on the dorsum of the penis, erectile tissue, from bulb to glans.