se·ne·cio | \ si-ˈnē-sh(ē-ˌ)ō 
\
\ plural senecios
Definition of senecio
: any of a large genus (Senecio) of widely distributed composite plants that have alternate or basal leaves and flower heads usually with yellow ray flowers
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More Definitions for senecio
senecio
nounse·ne·cio | \ si-ˈnē-sh(ē-ˌ)ō \
\Medical Definition of senecio
1 capitalized : a genus of widely distributed plants (family Compositae) including some containing various alkaloids which are poisonous to livestock
2 plural senecios : any plant of the genus Senecio
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Time Traveler for senecio
The first known use of senecio was in 1562
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