• Webster's Revised Unabridged Dictionary
    • n Caponiere (Fort) A work made across or in the ditch, to protect it from the enemy, or to serve as a covered passageway.
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Century Dictionary and Cyclopedia
    • n caponiere In fortification: A covered lodgment sunk 4 or 5 feet into a ditch for its defense, encompassed with a parapet about 2 feet high, serving to support several planks laden with earth.
    • n caponiere A passage from one part of a work to another, protected on the right and left by a wall or parapet, and sometimes covered overhead. When there is a parapet on one side only, it is called a demi-caponiere.
    • n caponiere One of a series of bomb-proof arched structures for receiving cannon which fire through embrasures pierced in the front or mask-wall of the casemates: used for flanking ditches.
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Chambers's Twentieth Century Dictionary
    • n Caponiere kap-ō-nēr′ a covered passage across the ditch of a fortified place
    • Caponiere Also Caponier′
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Webster's Revised Unabridged Dictionary
F. caponnière, fr. Sp. caponera, orig., a cage for fattening capons, hence, a place of refuge; cf. It. capponiera,. See Capon