- (of a cross) having arms terminating in the form of a trefoil: cross botonée.
Also bot·on·née, bot·o·ny, bot·on·ny [bot-n-ee] /ˈbɒt n i/.
Origin of botonée
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
1570s, in heraldry, from Old French botoné (Modern French boutonné) "covered with buds," past participle of boutonner "to bud," from bouton "bud, button," 12c., from a Germanic source.
Online Etymology Dictionary, © 2010 Douglas Harper