Lewis & Short

palmĕus, a, um, adj. [1. palma].

  1. I. A hand’sbreadth, or palm, in length, width, etc.: orchis herba, caule palmeo, etc., Plin. 26, 10, 62, § 95.
  2. II. Of or made of palms, palm-: tabulae, Vitr. 10, 20: tegetes, Col. 5, 15: vinum, Plin. 12, 17, 40, § 79: sporta, Pall. 3, 27.