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porthole

DEFINITIONS OF: porthole

1

n a window in a ship or airplane

Type of:
window
a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air

n an opening (in a wall or ship or armored vehicle) for firing through

Synonyms:
embrasure, port
Type of:
opening
a vacant or unobstructed space that is man-made
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