noun

• (chiefly in anatomy, especially of the human body) A detailed visual conspectus of something of great and multi-faceted complexity, with its elements splayed so as to be presented in as discrete a manner as possible whilst retaining a realistic view of the whole.
  "An Anatomical Atlas of Vegetable Powders Designed as an Aid to the Microscopic Analysis of Powdered Foods and Drugs"
• (differential geometry, topology) A family of coordinate charts that cover a manifold.
• (anatomy) The uppermost vertebra of the cervical spine in the neck in humans and some other animals.
  "There are of these glands upon the first vertebra of the neck of the atlas; on which the head turns[…]"
• (architecture) A figure of a man used as a column.

noun

• (historical) A rich satin fabric.
  "I saw ye Taffaties and Atlasses in ye warehouse, and gave directions concerning their severall colours and stripes, ordering Mr. Charnock to use his best endeavours to encrease their quantity; […]"

name

• (Greek mythology) The son of Iapetus and Clymene, war leader of the Titans ordered by the god Zeus to support the sky on his shoulders; father to the Hesperides, the Hyades, and the Pleiades; king of the legendary Atlantis.
• A placename:
• A placename:
• A placename:

noun

• (astronautics, military, US) A particular model or individual specimen of the Atlas missile and launch vehicle line.