• Webster's Revised Unabridged Dictionary
    • a Cloacal Of or pertaining to a cloaca.
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Century Dictionary and Cyclopedia
    • cloacal Pertaining to or of the nature of a cloaca, in any sense.
    • cloacal In zoology, having a cloaca: applied specifically to the monotremes.
    • ***


In literature:

The anus opens not upon the exterior, but into a cloacal chamber.
"Text Book of Biology, Part 1: Vertebrata" by H. G. Wells
No sign of a cloacal invagination could be made out with certainty.
"Development of the Digestive Canal of the American Alligator" by Albert M. Reese
Cl, Cloacal or pallial chamber of Neomeniae and Chaetoderma.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2" by Various
During this interval cloacal contact was effected three times, but was only momentary each time.
"Observations on the Mississippi Kite in Southwestern Kansas" by Henry S. Fitch
Local { Cloacal conditions (and allied male states) Reversionary { Horseshoe Kidney and allied states.
"Degeneracy" by Eugene S. Talbot
CLOACAL passage existing in the human embryo, i.
"The Descent of Man and Selection in Relation to Sex" by Charles Darwin
She then moves away, pressing her cloacal region against the ground.
"Life History and Ecology of the Five-lined Skink, Eumeces fasciatus" by Henry S. Fitch
"The History of Creation, Vol. II (of 2)" by Ernst Haeckel
Elsewhere the wall of the cloaca and cloacal groove are merely in contact but do not communicate.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour