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Dictionary

thumb•tack

Pronunciation: (thum'tak"), [key]
—n.
a tack with a large, flat head, designed to be thrust into a board or other fairly soft object or surface by the pressure of the thumb.

—v.t.
to attach or tack by means of a thumbtack.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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