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Dictionary


tier•ce•ron



Pronunciation: (tēr'sur-un), [key]
—n.
(in a ribbed vault) a diagonal rib, other than an ogive, springing from a point of support. See illus. under vault 1.

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

tierceltiered

 

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