Drawing of a zig-zag.
A zigzag is a pattern made up of small corners at variable angles, though constant within the zigzag, tracing a path between two parallel lines; it can be described as both jagged and fairly regular.
From the point of view of symmetry, a regular zigzag can be generated from a simple motif like a line segment by repeated application of a glide reflection.
Although the origin of the word is unclear, its first printed appearances were in French-language books and ephemera of the late 17th century.
Examples of zigzags
Lightning and other electrical hazards are often depicted with a zigzag design, with long downward strokes and short backward ones.
The trace of a triangle wave or a sawtooth wave is a zigzag.
Pinking shears are designed to cut cloth or paper with a zigzag edge, to lessen fraying.
A carpenter's folding ruler can be folded to look like a zigzag.
Zigzags are a basic decorative pattern used on pottery, and are often seen in the cuts which separate pieces of ravioli pasta.
In sewing, a zigzag stitch is a machine stitch in a zigzag pattern.
The zigzag arch is an architectural embellishment used in Islamic, Byzantine, Norman and Romanesque architecture.
The stripe on Charlie Brown's famous yellow shirt is a zigzag.
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