/men'teuhn yair"/ ; Fr. /mahonn taw nyerdd"/ , n. , pl. mentonnières /-teuhn yairz"/ ; Fr. /-taw nyerdd"/ . Armor.
any of various plate pieces for protecting the lower part of the face, as a beaver.
[ 1815-25; menton chin + -ière, fem. of -ier -IER 2 ; see BRASSIERE ]