Annular eclipse Meaning, Definition & Usage

  1. noun only a thin outer disk of the sun can be seen

WordNet

Definitions
  1. (Astron.), an eclipse of the sun in which the moon at the middle of the eclipse conceals the central part of the sun's disk, leaving a complete ring of light around the border.
Definitions
  1. . (Astron.) See under Annular.

Webster 1913