Simple past tense and past participle of coffer.(verb)
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Use "coffered" in a sentence
"Now, I don't know about you, but when I conjure up a description of my bathroom or any bathroom, the words "coffered," "wainscoting" and "Bianco Verde marble" don't come to mind."
"You will notice custom quality and upgrades throughout this home such as coffered ceilings, solid oak trim, slab granite counter tops and beautifully maintained hardwood floors."
"The features in this home are just too many to mention such as coffered ceilings, multi-light windows, heavy door and window casings, and other elements that give this home great charm."