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
pterostigma
CIDE DICTIONARY
pterostigma, n. [NL., fr. Gr. wing + , , a mark.].
A thickened opaque spot on the wings of certain insects. [1913 Webster]
For further exploring for "pterostigma" in Webster Dictionary Online