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Definition of senecio
senecios
: 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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Origin and Etymology of senecio
New Latin, from Latin, old man, groundsel (from its hoary pappus), from sen-, senic-, senex old man
Medical Dictionary
senecio
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noun
se·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
2plural senecios : any plant of the genus Senecio
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