AT'LAS, noun 1. A collection of maps in a volume; supposed to be so called from a picture of mount atlas supporting the heavens, prefixed to some collection. 2. A large square folio, resembling a volume of maps. 3. The supporters of a building. 4. A silk satin, or stuff, manufactured in the east, with admirable ingenuity. Atlasses are plain, striped, or flowered; but they have not the fine gloss and luster of some French silks. 5. The first vertebra of the neck. 6. A term applied to paper, as atlas fine.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI