Skip to definition.

Noun: coma (comas,comae)  kow-mu
  1. A state of deep and often prolonged unconsciousness; usually the result of disease or injury
    - comatoseness
  4. (optics) an aberration giving a V-shaped flare to an image (e.g. a star in an astronomical observation)

Derived forms: comae, comas

Type of: cloud, tuft, tussock, unconsciousness

Part of: comet

Encyclopedia: Coma, post-head injury