ustŭlo, āvi, ātum, 1, v. a. [id.]. I.Lit.A. In gen., to burn a little, to scorch, singe (very rare; syn. amburo): palos, Vitr. 5, 12: taleas oleagineas, id. 1, 5: caput ferventi ferro, i. e.
to crisp the hair
, Auct. Priap. 46.— B. Pregn., to burn up, consume by fire: scripta lignis, Cat. 36, 8.— II.Transf., to pinch, nip, or blast with cold: gemmas (arboris) frigoris aurā, Auct. Priap. 62.