PREEN (2)

Preen, v. t. [imp. & p. p. Preened (?); p. pr. & vb. n. Preening.] [[See Preen, n.; or cf. Prune.]] 1. 1. To dress with, or as with, a preen; to trim or dress with the beak, as the feathers; — said of birds. Derham.
2. 2. To trim up, as trees. Halliwell.