'IMP' definitions:

Definition of 'imp'

noun

(folklore) fairies that are somewhat mischievous [syn: elf, hob, gremlin, pixie, pixy, brownie, imp]

noun

One who is playfully mischievous [syn: imp, scamp, monkey, rascal, rapscallion, scalawag, scallywag]

From: GCIDE

Imp \Imp\ ([i^]mp), n. [OE. imp a graft, AS. impa; akin to Dan. ympe, Sw. ymp, prob. fr. LL. impotus, Gr. ? engrafted, innate, fr. ? to implant; ? in + ? to produce; akin to E. be. See 1st In-, Be.]
1. A shoot; a scion; a bud; a slip; a graft. [Obs.] --Chaucer. [1913 Webster]
2. An offspring; progeny; child; scion. [Obs.] [1913 Webster]
The tender imp was weaned. --Fairfax. [1913 Webster]
3. A young or inferior devil; a little, malignant spirit; a puny demon; a contemptible evil worker. [1913 Webster]
To mingle in the clamorous fray Of squabbling imps. --Beattie. [1913 Webster]
4. Something added to, or united with, another, to lengthen it out or repair it, -- as, an addition to a beehive; a feather inserted in a broken wing of a bird; a length of twisted hair in a fishing line. [Obs. or Prov. Eng.] [1913 Webster]

From: GCIDE

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.]
1. To graft; to insert as a scion. [Obs.] --Rom. of R. [1913 Webster]
2. (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] [1913 Webster]
Imp out our drooping country's broken wing. --Shak. [1913 Webster]
Who lazily imp their wings with other men's plumes. --Fuller. [1913 Webster]
Here no frail Muse shall imp her crippled wing. --Holmes. [1913 Webster]
Help, ye tart satirists, to imp my rage With all the scorpions that should whip this age. --Cleveland. [1913 Webster]