What is to cut into notches or teeth like those of a saw; to notch. [Written also jagg. Jagging iron, a wheel with a zigzag or jagged edge for cutting cakes or pastry into ornamental figures called?

jag — To cut into notches or teeth like those of a saw; to notch. [Written also jagg. Jagging iron, a wheel with a zigzag or jagged edge for cutting cakes or pastry into ornamental figures. (Webster's 1913.)

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