See Also: mullion(medicine)
mullion(dictionary)
mullion(dictionary)

mullion (iou)



mullion noun. M16.
[Metath. var. of MONIAL: cf. MUNNION.]
Architecture. A vertical bar dividing the lights in a window, esp. in Gothic architecture. M16.
Geology. Each of a series of ribs or columns on a rock face, usu. formed by folding. L19.
mullion structure.
mullioned adjective having mullions; constructed with mullions: M18.