watercress

nouns

any of several water-loving cresses
is a member of
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives
is a type of (narrower)
any of various plants of the family Cruciferae with edible leaves that have a pungent taste
cresses that grow in clear ponds and streams
is a type of (narrower)
pungent leaves of any of numerous cruciferous herbs

adjectives

of a moderate yellow-green color that is greener and deeper than moss green and yellower and darker than pea green