Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
prototheria
CIDE DICTIONARY
prototheria, n. pl. [NL., from Gr. prw^tos first + qhri`on, dim. of qh`r beast.].
Same as Monotremata. [1913 Webster]
For further exploring for "prototheria" in Webster Dictionary Online