Caecum n. : A cavity open at one end, as the blind end of a canal or duct.

Caecum n. : The blind part of the large intestine beyond the entrance of the small intestine; -- called also the blind gut.

Example:
What is the function of the Caecum in man?

Taxonomy
cecum, colon, ileum, free encyclopedia, small intestine, caecum, ileocecal valve, squid, ascending colon, large intestine, plant materials, the connection, animals, Variation, species, Intestine, search, Superior ileocecal fossa.

Defination from the web:
caecum (from the Latin caecus meaning blind) is a pouch, connecting the ileum with the ascending colon of the large intestine. ... The term cecum comes from the Latin caecum, literally "blind", here in the sense "blind gut" or "cul de sac" ...