Definition of aposematic
: being conspicuous and serving to warn <aposematic coloration in butterflies>
aposematicallyplay \-ti-k(ə-)lē\ adverb
Origin and Etymology of aposematic
apo- + Greek sēmat-, sēma sign
First Known Use: 1890
Seen and Heard
What made you want to look up aposematic? Please tell us where you read or heard it (including the quote, if possible).