The Collaborative International Dictionary
Imp \Imp\, v. t. [imp. & p. p. Imped; p. pr. & vb. n. Imping.] [AS. impian to imp, ingraft, plant; akin to Dan. ympe, Sw. ympa, OHG. impf[=o]n, impit[=o]n, G. impfen. See Imp, n.]
To graft; to insert as a scion. [Obs.]
--Rom. of R.
(Falconry) To graft with new feathers, as a wing; to splice a broken feather. Hence, [Fig.]: To repair; to extend; to increase; to strengthen; to equip. [Archaic]
Imp out our drooping country's broken wing.
Who lazily imp their wings with other men's plumes.
Here no frail Muse shall imp her crippled wing.
Help, ye tart satirists, to imp my rage With all the scorpions that should whip this age.
Etymology 1 n. A creature without feet. Etymology 2
a. (context especially of feathers in falconry English) engrafted, eked, implanted; supplemented by imping.