D defs.my
Entry 1 sense Webster, 1913

caecum

· cae·cum · IPA /ˈsiː.kəm/
01 n. A cavity open at one end, as the blind end of a canal or duct.
pl. Cæcums, Cæca ((#))
  1. 1.
    A cavity open at one end, as the blind end of a canal or duct.(Anat.)