thumbnail: Meaning and Definition of

thumb•nail

Pronunciation: (thum'nāl"), [key]
— n.
  1. the nail of the thumb.
  2. anything quite small or brief, as a small drawing or short essay.
  3. a small, rough dummy.
  4. Also calleda half-column portrait in a newspaper.
—adj.
  1. quite small or brief; concise: a thumbnail description of Corsica.
—v.t.
  1. to make a thumbnail sketch or description of.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
thumbkin thumbnut
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