Lewis & Short

ōmentum, i, n., the fat-skin, adipose membrane; fat, esp. in men (post-Aug.).

  1. I. Lit.
    1. A. In gen.: ast illi tremat omento popa venter, Pers. 6, 74.
    2. B. In partic.
      1. 1. The membrane which encloses the bowels, the caul, Cels. 4, 1; Plin. 11, 37, 80, § 204.
      2. 2. The bowels, Pers. 2, 47: porci, Juv. 13. 116.
  2. II. Transf., any skin which envelops an internal part of the body, a membrane, Macr. S. 7, 9; of the meninges, id. ib. 7, 9.