Definition of parapet
1
: a wall, rampart, or elevation of earth or stone to protect soldiers
The invaders fired arrows over the castle's parapet.
2
: a low wall or railing to protect the edge of a platform, roof, or bridge
— called also parapet wall
The visitor peered over the parapet with binoculars.Test Your Vocabulary
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Merriam-Webster unabridged
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Time Traveler for parapet
The first known use of parapet was in 1590
See more words from the same year