Crossette
Pronunciation : Cros*sette" (krs-st`)
Part of Speech : n.
Etymology : [F., dim. of crosse. See Crosier.] (Arch.) (a) A return in one of the corners of the architrave of a door or window; -- called also ancon, ear, elbow. (b) The shoulder of a joggled keystone.
Source : Webster's Unabridged Dictionary, 1913