mullion
noun
a vertical member, as of stone or wood, between the lights of a window, the panels in wainscoting, or the like.
Used to express a completed action that took place before another specific past action occurred.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It had mullioned windows and a porch with pillars, but looked old, and the walls were speckled with lichens.
From Carmen's Messenger by Harold Bindloss