transitive verb

1. to clean and trim (the feathers) with the beak: said of birds
2. to make (oneself) trim; dress up or adorn (oneself)
3. to show satisfaction with or vanity in (oneself)

Etymology: ME preynen, altered (infl. by preonen, to prick with a pin < preon < OE, a pin) < proinen, to prune

intransitive verb