from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of numerous hemipterous insects of the family Pentatomidae, having a broad, flattened body and emitting a foul odor.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Insects, usually shield-shaped, that possess a gland that produces a foul smelling liquid, usually containing aldehydes which they use to discourage predators.
- n. A common name applied to various insects of the Hemiptera order (the "true bugs"), in the Heteroptera suborder, principally in the superfamilies Pentatomoidea and Coreoidea.
- n. A pinacate beetle or stink beetle (genus Eleodes) that releases a pungent odor when threatened.
stink + bug (Wiktionary)