‖n. [ NL., fr. Gr. &unr_;. ] (Zool.) A genus of small glassy heteropod mollusks found swimming at the surface in mid ocean. See Heteropod. [ 1913 Webster ]

a. (Anat.) (a) Relating to the atlas. (b) Anterior; cephalic. Barclay. [ 1913 Webster ]

a. [ L. Atlant&unr_;us. ] 1. Of or pertaining to the isle Atlantis, which the ancients allege was sunk, and overwhelmed by the ocean. [ 1913 Webster ]

2. Pertaining to, or resembling, Atlas; strong. [ 1913 Webster ]

With Atlantean shoulders, fit to bear
The weight of mightiest monarchies. Milton. [ 1913 Webster ]

‖n. pl. [ L., fr. Gr. &unr_;, pl. of &unr_;. See Atlas. ] (Arch.) Figures or half figures of men, used as columns to support an entablature; -- called also telamones. See Caryatides. Oxf. Gloss. [ 1913 Webster ]

a. [ L. Atlanticus, fr. Atlas. See Atlas and Atlantes. ] 1. Of or pertaining to Mt. Atlas in Libya, and hence applied to the ocean which lies between Europe and Africa on the east and America on the west; as, the Atlantic Ocean (called also the Atlantic); the Atlantic basin; the Atlantic telegraph. [ 1913 Webster ]

2. Of or pertaining to the isle of Atlantis. [ 1913 Webster ]

3. Descended from Atlas. [ 1913 Webster ]

The seven Atlantic sisters. Milton. [ 1913 Webster ]

‖n. pl. [ L. See Atlantes. ] The Pleiades or seven stars, fabled to have been the daughters of Atlas. [ 1913 Webster ]

n.; pl. Atlases [ L. Atlas, -antis, Gr. &unr_;, &unr_;, one of the older family of gods, who bears up the pillars of heaven; also Mt. Atlas, in W. Africa, regarded as the pillar of heaven. It is from the root of tlh^nai to bear. See Tolerate. ] 1. One who sustains a great burden. [ 1913 Webster ]

2. (Anat.) The first vertebra of the neck, articulating immediately with the skull, thus sustaining the globe of the head, whence the name. [ 1913 Webster ]

3. A collection of maps in a volume; -- supposed to be so called from a picture of Atlas supporting the world, prefixed to some collections. This name is said to have been first used by Mercator, the celebrated geographer, in the 16th century. [ 1913 Webster ]

4. A volume of plates illustrating any subject. [ 1913 Webster ]

5. A work in which subjects are exhibited in a tabular from or arrangement; as, an historical atlas. [ 1913 Webster ]

6. A large, square folio, resembling a volume of maps; -- called also atlas folio. [ 1913 Webster ]

7. A drawing paper of large size. See under Paper, n. [ 1913 Webster ]

Atlas powder, see Atlas powder in the vocabulary; a blasting compound containing nitroglycerin. [ 1913 Webster ]

n. [ Ar., smooth. ] A rich kind of satin manufactured in India. Brande & C. [ 1913 Webster ]

. A blasting powder or dynamite composed of nitroglycerin, wood fiber, sodium nitrate, and magnesium carbonate. [ Webster 1913 Suppl. ]