{ ‖‖ } n. [ NL., fr. L. ab + omasum (a Celtic word). ] (Anat.) The fourth or digestive stomach of a ruminant, which leads from the third stomach omasum. See Ruminantia. [ 1913 Webster ]

{ } n. [ L. bonasus, Gr. &unr_;, &unr_;. ] (Zool.) The aurochs or European bison. See Aurochs. [ 1913 Webster ]

‖n. [ L. ] An event; an occurrence; an occasion; a combination of circumstances; a case; an act of God. See the Note under Accident. [ 1913 Webster ]

Casus belli, an event or combination of events which is a cause war, or may be alleged as a justification of war. --
Casus fortuitus, an accident against which due prudence could not have provided. See Act of God, under Act. --
Casus omissus, a case not provided for by the statute. [ 1913 Webster ]

n. 1. (Geog.) a large region between the Black and Caspian seas.
Syn. -- Caucasia. [ WordNet 1.5 ]

2. (Geog.) the mountain range located between the Black and Caspian seas. [ PJC ]

‖n. [ L. ] See Chrysoprase. Rev. xxi. 20. [ 1913 Webster ]

n. [ L., fr. Gr. Ph`gasos. ] 1. (Gr. Myth.) A winged horse fabled to have sprung from the body of Medusa when she was slain. He is noted for causing, with a blow of his hoof, Hippocrene, the inspiring fountain of the Muses, to spring from Mount Helicon. On this account he is, in modern times, associated with the Muses, and with ideas of poetic inspiration. [ 1913 Webster ]

Each spurs his jaded Pegasus apace. Byron. [ 1913 Webster ]

2. (Astron.) A northen constellation near the vernal equinoctial point. Its three brightest stars, with the brightest star of Andromeda, form the square of Pegasus. [ 1913 Webster ]

3. (Zool.) A genus of small fishes, having large pectoral fins, and the body covered with hard, bony plates. Several species are known from the East Indies and China. [ 1913 Webster ]

‖n. [ L., from Gr. pe`tasos. ] (Gr. & Rom. Antiq.) The winged cap of Mercury; also, a broad-brimmed, low-crowned hat worn by Greeks and Romans. [ 1913 Webster ]