Meaning of tessera

tes•ser•a

Pronunciation: (tes'ur-u), [key]
— pl. tes•ser•ae
  1. one of the small pieces used in mosaic work.
  2. a small square of bone, wood, or the like, used in ancient times as a token, tally, ticket, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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