Lewis & Short

pampĭnus, i, m. and f. (in fem.: circumflua pampinus, Claud. III. Cons. Stil. 366: opaca, id. Epith. Pall. et Celer. 5; cf. Donat. p. 1747 P.; Serv. Verg. E. 7, 58, acc. to whom Varro often used the word as a fem.) [root pamp-, pap-, to swell, v. pōpulus; cf. papula, pustule], a tendril or young shoot of a vine (cf. palmes).

  1. I. Lit., Col. 4, 22, 4: ex gemmis pampini pullulant, id. 3, 18, 4: pampinos detergere, Plin. 17, 22, 35, § 175: detrahere, id. 17, 22, 35, § 193.
      1. 2. A vine-leaf, the foliage of a vine: involvulus, quae in pampini folio intorta implicat se, Plaut. Cist. 4, 2, 64: uva vestita pampinis, Cic. Sen. 15, 53: male defendet pampinus uvas, Verg. G. 1, 448: ornatus viridi tempora pampino Liber, Hor. C. 4, 8, 34: pampini densitas, Col. 3, 2, 11.
  2. II. Transf., a clasper or tendril of any climbing plant, Plin. 16, 35, 63, § 153; 9, 51, 74, § 163.