noun ap·o·sem·a·tism \ˌa-pə-ˈse-mə-ˌti-zəm\

Definition of aposematism


  1. :  the use of a signal and especially a visual signal of conspicuous markings or bright colors by an animal to warn predators that it is toxic or distasteful :  warning coloration Ladybugs are a good example of aposematism, when the bright colors of red, orange, yellow and black serve as a defense mechanism that warns potential predators of past poisonous or unappetizing results. — Carol Coogan, Times Union (Albany, New York), 16 June 2008

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Origin and Etymology of aposematism

aposemat(ic) + -ism

First Known Use: 1979

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capable of being understood in two ways

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