I.the palm of the hand.
I. Lit.: “manūs palmum,” Vitr. 2, 3: “Graeci antiqui doron palmum vocabant: et ideo dora munera, quia manu darentur,” Plin. 35, 14, 49, § 171.—
II. Transf., as a measure of length, a span, or twelve digits, Varr. R. R. 3, 7: “amomum frutex myrtuosus, palmi altitudine,” Plin. 12, 13, 28, § 48: minor, a smaller measure, a palm, or four digits, acc. to Vitr. 3, 1, 5.