Found 2 items, similar to monotreme.
English → English (WordNet)
Definition: monotreme
monotreme
n : the most primitive mammals comprising the only extant
members of the subclass Prototheria [syn:
egg-laying mammal
]
English → English (gcide)
Definition: Monotreme
Monotreme
\Mon"o*treme\, n. [Cf. F. monotr[`e]me.] (Zo["o]l.)
One of the Monotremata.
[1913 Webster]