n.
Pronunciation: si- ' n ē -sh( ē - ˌ ) ō
Function: noun
Inflected Form: plural -cios
Etymology: New Latin, from Latin, old man, groundsel (fr. its hoary pappus), from sen-, senic-, senex old man
Date: 1562
: 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