n. [ L. omen, the original form being osmen, according to Varro. ] An occurrence supposed to portend, or show the character of, some future event; any indication or action regarded as a foreshowing; a foreboding; a presage; an augury. [ 1913 Webster ]

Bid go with evil omen, and the brand
Of infamy upon my name. Milton. [ 1913 Webster ]

v. t. [ imp. & p. p. Omened p. pr. & vb. n. Omening. ] To divine or to foreshow by signs or portents; to have omens or premonitions regarding; to predict; to augur; as, to omen ill of an enterprise. [ 1913 Webster ]

The yet unknown verdict, of which, however, all omened the tragical contents. Sir W. Scott. [ 1913 Webster ]

a. Attended by, or containing, an omen or omens; as, happy-omened day; an ill-omened venture. [ 1913 Webster +PJC ]

a. (Anat.) Of or pertaining to an omentum or the omenta. [ 1913 Webster ]

n.; pl. Omenta [ L. ] (Anat.) A free fold of the peritoneum, or one serving to connect viscera, support blood vessels, etc.; an epiploon. [ 1913 Webster ]

☞ The great, or gastrocolic, omentum forms, in most mammals, a great sac, which is attached to the stomach and transverse colon, is loaded with fat, and covers more or less of the intestines; the caul. The lesser, or gastrohepatic, omentum connects the stomach and liver and contains the hepatic vessels. The gastrosplenic omentum, or ligament, connects the stomach and spleen. [ 1913 Webster ]