mullion

/ˈmʌliən/

Etymology

Alteration of monial (“mullion”), or metathesis of Middle English moyniel, both ultimately from Old French moinel.

name

  1. A village and civil parish in south-west Cornwall, England (OS grid ref SW6719).
  2. A locality in Yass Valley council area, Southern Tablelands, New South Wales, Australia.

noun

  1. A vertical bar between the panes of glass or casements of a window or the panels of a screen.

verb

  1. To shape into divisions by means of mullions.