Lewis & Short

longănon, i, n. (also -găno and -găbo, or -găvo, -găo, ōnis, m.),

  1. I. the straight gut, Veg. Vet. 1, 42, 1; 1, 49; 1, 56, 17; Cael. Aur. Acut. 3, 22, 220; id. Tard. 2, 1, 11.
  2. II. Transf., a sausage, Varr. L. L. 5, § 11 Müll.; Arn. 7, 229.