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monotreme |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Monotreme \Mon"o*treme\, n. [Cf. F. monotr[`e]me.] (Zo["o]l.) One of the Monotremata. From WordNet r 1.6 [wn]: monotreme n : the most primitive mammals comprising the only extant members of the subclass Prototheria [syn: {egg-laying mammal}]
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