(chiefly fiction and mythology) A small, mischievous sprite or a malevolent supernatural creature, somewhat comparable to a demon but smaller and less powerful, formerly regarded as the child of the devil or a demon (see sense 3.2).

(by extension) A mischievous child or a baby tasmanian devil.

(falconry, veterinary medicine) To engraft (a feather) on to a broken feather in a bird's wing or tail to repair it; to engraft (feathers) on to a bird, or a bird's wing or tail.

(by extension) To provide wings and enable someone or something to soar, or to add to and strengthen an object by uniting it with something.