Having rafters (often of a specified kind). (adjective)
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Use "raftered" in a sentence
"The early morning sun slanting in showed a cool, square-built room with a flagged stone floor, a raftered ceiling hung with bunches of drying herbs, and a heavy wooden table, the surface scarred and worn smooth and dark with age."
"It was a fine apartment in which we found ourselves, large, lofty, and heavily raftered with huge balks of age-blackened oak."
"Then he glanced upward to the round, raftered roof."