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See also:PORTCULLIS (from the Fr. See also:Porte-See also:coulisse, porte, a See also:gate, See also:Lat. porta, and coulisse, a groove, used adjectivally for " sliding," from couler, to slide or glide, Lat. colare; the Fr. equivalents are herse, a See also:harrow, and coulisse; Ger. Fallgatter; Ital. saraci nesca), a strong-framed grating of See also:oak, the See also:lower points shod with See also:iron, and sometimes entirely made of See also:metal, hung so as to slide up and- down in grooves with counterbalances, and intended to protect the gateways of castles, &c . The defenders having opened the See also:gates and lowered the ;See also:portcullis, could send arrows and darts through the gratings . A portcullis was in existence until See also:modern times in a gateway at See also:York . The See also:Romans used the portcullis in the See also:defence of gateways . It was called cataracta from the Gr . Karappiurr7s, a See also:waterfall (KaTappityncreat, to fall down) . See also:Vegetius (De re milit. iv . 4) speaks of it as an old means of defence, and it has been suggested that in See also:Psalm See also:xxiv . 7, 9, " Lift up your heads, oh ye gates," &c., there is an allusion to a similar contrivance . Remains of a cataracta are clearly seen in the gateway of See also:Pompeii . The See also:Italian name saracinesca originates from the See also:crusades . |
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