Main Entry: ce·cum

Variant(s): or chiefly British cae·cum \ˈsē-kəm\

Function: noun

Inflected Form(s): plural ce·ca or chiefly British cae·ca \-kə\

: a cavity open at one end (as the blind end of a duct) ; especially : the blind pouch at the beginning of the large intestine into which the ileum opens from one side and which is continuous with the colon

[cecum illustration]