Definition of "thatching" [thatch•ing]

• Bundles of hay or straw used to make a roof. (noun)
• Present participle of thatch. (verb)

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• "The thatching is begun at the apex of the roof on boards and worked towards the bottom."
• "Where could one find a machine to tie or bind straws / reeds used for "thatching" roofs on heritage preserved buildings in Ireland."
• "Slough grass was used as thatching, sweetgrass and sage were burned in ceremonial rituals."