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Webster 1913 Edition

Monotremata

‖

Monˊo-trem′a-ta

,

Noun.

pl.

[NL., fr. Gr.

μόνοσ

single + [GREEK] hole.]

(Zool.)

A subclass of Mammalia, having a cloaca in which the ducts of the urinary, genital, and alimentary systems terminate, as in birds. The female lays eggs like a bird. See

Duck mole

, under

, and

.