Definition of crypsis
: the ability of an organism to conceal itself especially from a predator by having a color, pattern, and shape that allows it to blend into the surrounding environment
Horned lizards have a delightful variety of defenses. Their primary defense is crypsis; their pattern of coloration varies geographically to match the substrate, and their spines obscure their body outlines, making them difficult to see.— Jeff Mitton … legions of tiny fish and shrimps have evolved to live with impunity among these coral tentacles, escaping predators' notice by resembling their hosts, a feat called crypsis.— Les Kaufman
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Merriam-Webster unabridged
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Time Traveler for crypsis
The first known use of crypsis was in 1956
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