adj. The Roman number symbolizing the value eleven. Used after a noun it may symbolize the ordinal number; as, Superbowl XI.
Syn. -- eleven, 11. [ WordNet 1.5 ]

pr. n. The capital of the ancient Chinese empire.
Syn. -- Sian, Singan, Changan. [ WordNet 1.5 ]

adj. The Roman number symbolizing the value twelve; denoting a quantity consisting of 12 items or units. Used after a noun it may symbolize the ordinal number; as, Superbowl XII.
Syn. -- twelve, 12, dozen. [ WordNet 1.5 ]

adj. 1. the Roman number symbolizing the value thirteen. Used after a noun it may symbolize the ordinal number; as, Superbowl XIII.
Syn. -- thirteen, 13. [ WordNet 1.5 ]

‖prop. n. [ L., a swordfish, a sword-shaped comet, fr. Gr. xifi`as, fr. xi`fos a sword. ] 1. (Zool.) A genus of fishes comprising the common swordfish. [ 1913 Webster ]

2. (Anat.) (a) The constellation Dorado. (b) A comet shaped like a sword [ 1913 Webster ]

‖prop. n. [ NL., from Gr. &unr_;, dim. of xi`fos sword. ] (Bot.) A genus of plants of the order Haemodraceae, having two-ranked, sword-shaped leaves. [ 1913 Webster ]

a. [ Xiphius + -oid. ] (Zool.) Of, pertaining to, or resembling, a cetacean of the genus Xiphius or family Xiphiidae. [ 1913 Webster ]

‖n.; pl. Xiphiplastra [ NL., fr. Gr. xi`fos a sword + plastron. ] (Anat.) The posterior, or fourth, lateral plate in the plastron of turtles; -- called also xiphisternum. [ 1913 Webster ]

‖n.; pl. Xiphisterna [ NL., fr. Gr. xi`fos a sword + sternum. ] (Anat.) (a) The posterior segment, or extremity, of the sternum; -- sometimes called metasternum, ensiform cartilage, ensiform process, or xiphoid process. (b) The xiphiplastron. -- Xiph"i*ster"nal pos>a. [ 1913 Webster ]

‖n. [ NL., fr. Gr. xi`fos a sword. ] (Zool.) A genus of cetaceans having a long, pointed, bony beak, usually two tusklike teeth in the lower jaw, but no teeth in the upper jaw. [ 1913 Webster ]