man-of-the-earth

[ man-uh v-th ee-urth, -urth ]
/ ˈmæn əv ðiˌɜrθ, -ˈɜrθ /

noun, plural men-of-the-earth, man-of-the-earths.

a morning glory, Ipomoea pandurata, of eastern North America, having white flowers and a very large, tuberous root.

Origin of man-of-the-earth

An Americanism dating back to 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019