pilewort

[ pahyl-wurt, -wawrt ]
/ ˈpaɪlˌwɜrt, -ˌwɔrt /

noun

Also called fireweed. a weedy composite plant, Erechtites hieracifolia, having narrow flower heads enclosed in green bracts.
a North American figwort, Scrophularia marilandica, having small, greenish flowers.

Origin of pilewort

1570–80; pile4 + wort1, so called from its use in medicine

British Dictionary definitions for pilewort

pilewort
/ (ˈpaɪlˌwɜːt) /

noun

any of several plants, such as lesser celandine, thought to be effective in treating piles