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
prostomium
CIDE DICTIONARY
prostomium, n. [NL., fr. Gr. before + , , mouth.].
That portion of the head of an annelid situated in front of the mouth. [1913 Webster]
For further exploring for "prostomium" in Webster Dictionary Online