ce·cum also cae·cum (sē'kəm)
n., pl., -ca, also -ca (-kə).

1. A saclike cavity with only one opening.
2. Anatomy. The large blind pouch forming the beginning of the large intestine. Also called blind gut.

[Middle English, from Latin (intestīnum) caecum, blind (intestine), neuter of caecus, blind.]

cecal ce'cal adj.
cecally ce'cal·ly adv.

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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