Word Study
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: 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
Perpender
CIDE DICTIONARY
Perpender, n. [F. parpaing, pierre parpaigne; of uncertain origin.].
A large stone reaching through a wall so as to appear on both sides of it, and acting as a binder; -- called also perbend , perpend stone , and perpent stone . [1913 Webster]
For further exploring for "Perpender" in Webster Dictionary Online