We found 3 definitions of fraises from 3 different sources.
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What does fraises mean?
Sailor's Word-BookThe Sailor's Word-Book⛵
fraises Principally in field fortification, palisades placed horizontally, or nearly so, along the crest of the escarp, or sometimes of the counterscarp; being generally concealed from direct artillery fire they very materially increase the difficulty of either of those slopes to an assailant. They project some 5 feet above the surface, and are buried for about the same length in the ground.
Military DictionaryMilitary Dictionary and Gazetteer💥
fraises Rows of palisades planted horizontally, or nearly so, as at
the edge of a ditch, or on the steep exterior of a parapet. Fraises are
generally 7 or 8 feet long, and about 5 inches thick. When an army
intrenches itself, the parapets of the retrenchment are often fraised in
the parts exposed to an attack. To fraise a battalion is to line or
cover it every way with bayonets, that it may withstand the shock of a
body of horse.
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