The Collaborative International Dictionary
Aposematic
Aposematic \Ap`o*se*mat"ic\, a. [Pref. apo- + sematic.] (Zo["o]l.) Having or designating conspicuous or warning colors or structures indicative of special means of defense against enemies, as in the skunk. [Webster 1913 Suppl.] ||
Wiktionary
aposematic
a. (context zoology of a coloration or marking English) That serves as a warning to predators, as of toxicity, especially falsely.