/mooh shet"/ , n. Archit.
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.
[ 1925-30; moucher to cut or knock off (something protruding) (see -ETTE), appar. extended sense of moucher to wipe (a person's) nose muccare, deriv. of L muccus, mucus MUCUS ]