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pilotweed

American

[pahy-luht-weed] / ˈpaɪ lətˌwid /

noun

the compass plant, Silphium laciniatum.

Etymology

Origin of pilotweed

An Americanism dating back to 1840–50; pilot + weed ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.