Source : Webster's Revised Unabridged Dictionary (1913)

Perpend \Per*pend"\, v. t. [L. perpendere, perpensum; per +
   pendere to weight.]
   To weight carefully in the mind. [R.] ``Perpend my words.''
   --Shak.

Perpend \Per*pend"\, v. i.
   To attend; to be attentive. [R.] --Shak.