AA

n. 1. the American Association for the Advancement of Science, an organization with headquarters in Washington, D.C. Its goal is to advance the physical and social sciences, and it publishes a weekly journal Science, with original research articles as well as reviews and commentary. [ Acronym. ]
Syn. -- American Association for the Advancement of Science. [ WordNet 1.5 ]

‖n. [ D. aam, fr. LL. ama; cf. L. hama a water bucket, Gr. &unr_; ] A Dutch and German measure of liquids, varying in different cities, being at Amsterdam about 41 wine gallons, at Antwerp 361/2, at Hamburg 381/4. [ Written also Aum and Awm. ] [ 1913 Webster ]

‖n. [ D., earth-pig. ] (Zool.) An edentate mammal, of the genus Orycteropus (Orycteropus afer), somewhat resembling a pig, common in some parts of Southern Africa. It is a nocturnal ungulate, burrows in the ground with its powerful claws, and feeds entirely on ants and termites, which it catches with its long, extensile, slimy tongue. It is the sole extant representative of the order Tubulidentata. [ Spelled also Aard-vark. ]
Syn. --ant bear, anteater, Orycteropus afer, oryctere, orycterope [ 1913 Webster WordNet 1.5 ]

‖n. [ D, earth-wolf ] (Zool.) A carnivorous, striped, quadruped mammal (Proteles cristata, formerly Proteles Lalandii), of South Africa, resembling the fox and hyena. It feeds chiefly on insects. See Proteles. [ 1913 Webster WordNet 1.5 ]

{ } a. Pertaining to Aaron, the first high priest of the Jews. [ 1913 Webster ]

[ See Exodus vii. 9 and Numbers xvii. 8 ] 1. (Arch.) A rod with one serpent twined around it, thus differing from the caduceus of Mercury, which has two. [ 1913 Webster ]

2. (Bot.) A plant with a tall flowering stem; esp. the great mullein, or hag-taper, and the golden-rod. [ 1913 Webster ]

n. 1. an associate degree conferred for successful studies in applied science. [ WordNet 1.5 ]