Plural noun: patterns or techniques used to hide or disguise; verb (third person): hides or disguises something using color, pattern, or other methods.
From French 'camoufler' (to disguise), possibly from Italian 'camouffare' or a blend of French words 'camoufler' meaning to cover up, with origins in Romance languages dating back centuries.
Interestingly, leopards and zebras have opposite camouflage strategies—leopards use spots to break up their shape in dappled light, while zebras' stripes actually confuse predators' depth perception at high speeds, showing evolution found multiple solutions to the same problem.
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