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.
(plural corpora), late 14c., from Latin corpus, literally body (see corporeal). The sense of body of a person (mid-15c. in English) and collection of facts or things (1727 in English) both were present in Latin. Corpus Christi (late 14c.), feast of the Blessed Sacrament, is the Thursday after Trinity Sunday. Also used in various medical phrases, e.g. corpus callosum (1706, literally tough body), corpus luteum (1788, literally yellow body).