from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. That serves as a warning to predators, as of toxicity, especially falsely.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having or designating conspicuous or warning colors or structures indicative of special means of defense against enemies, as in the skunk.
from The Century Dictionary and Cyclopedia
- Of a nature to warn or alarm; serving to warn or alarm enemies: noting characteristics of organisms which, when displayed, effect this.
apo- + sematic (Wiktionary)