Emily Dickinson Lexicon

POUT, v.i. [Fr. bouder; allied probably to bud, pudding, Gr. βοτανη; W. poten; from the sense of bulging or pushing out.]

1. To thrust out the lips, as in sullenness, contempt or displeasure; hence, to look sullen. – Shak.
2. To shoot out; to be prominent; as, pouting lips. – Dryden.