- a square-cut building stone
- a thin, dressed, square stone used for facing masonry walls
- masonry made of either kind of ashlar
Origin of ashlarMiddle English assheler ; from Old French aisseler ; from aissele, shingle, diminutive ; from ais, board ; from Classical Latin assis, board, akin to asser, beam, plank
- a. A squared block of building stone.b. Masonry of such stones.
- A thin, dressed rectangle of stone for facing walls.
Origin of ashlarMiddle English assheler, from Old French aisselier, board, from aissele, from Medieval Latin axicellus, from Latin assis.