mar·i·gold 
(m
ăr
ĭ-g
ōld
′, mâr
-)
n.1. Any of various American plants of the genus Tagetes of the composite family, widely cultivated for their showy yellow or orange flowers.
2. Any of several plants related to the marigold or having similar flowers, such as the marsh marigold.
[Middle English : Mari, Mary (ultimately from Greek Maria; see MARIONETTE) + golde, marigold (from Old English; probably akin to GOLD).]