Lewis & Short

gaster, tĕris, and tri, f., = γαστήρ, the belly (pure Lat. venter).

  1. I. Lit.: inflatio secundum gastera, Cael. Aur. Tard. 3, 8.
  2. II. Transf., a big-bellied vessel, Petr. 70; 79; Marc. Emp. 8 med.