'eyeshadow' definitions:

Definition of 'eyeshadow'

From: WordNet
noun
Makeup consisting of a cosmetic substance used to darken the eyes

Definition of 'eyeshadow'

From: GCIDE
  • eye shadow \eye" shad`ow\, eyeshadow \eye"shad`ow\([imac]"sh[a^]d`[=o]), n. a cosmetic powder or cream of a dark tint, applied on the eyelids or just under the eyebrows to accentuate the eyes. Compare eyeliner. [PJC]