n. [capitalized] One who supports a heavy burden; a mainstay; a ‘pillar.’n. [Pl. atlantes (at-lan′ -tēz).] A male human figure serving as a column or pilaster. See atlantes.n. [NL.] In anatomy, the first cervical vertebra, by which the skull articulates with the spinal column: so called because it supports the head, as Atlas was fabled to uphold the sky.n. A bound collection of maps.n. Hence A volume of plates or tables illustrative or explanatory of some subject.n. A size of writing- or drawing-paper, 26 by 33 or 34 inches.n. [NL.] In entomology, a large lamellicorn beetle of the family Scarabæidæ; the atlas beetle, Chalcosoma atlas, about 3 inches long, and of a brilliant metallic-green color.n. A kind of satin: a word formerly used in the Levant and in India.