- a groove cut in masonry to receive flashing.
- Also called raggle block. a manufactured masonry unit, usually of terra cotta, having a groove for receiving flashing.
Origin of raggle
First recorded in 1880–85; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- mainly Scot a thin groove cut in stone or brickwork, esp to hold the edge of a roof
C19: of obscure origin