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Meaning of mouchette

mou•chette

Pronunciation: (m-shet'), [key]
— n. Archit.
  1. a daggerlike form, esp. in tracery, created by a segmental and an ogee curve so that it is pointed at one end and circular at the other.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.