osmeterium

play
noun os·me·te·ri·um \ ˌäz-mə-ˈtir-ē-əm \

Definition of osmeterium

plural osmeteria play \ˌäz-mə-ˈtir-ē-ə\
:a protrusible glandular process of swallowtail larvae that emits a disagreeable odor for defensive purposes

Origin and Etymology of osmeterium

New Latin, irregular from Greek osmē odor


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