[ spat-er-dok ]
/ ˈspæt ərˌdɒk /


any of various water lilies of the genus Nuphar, having globular yellow flowers and growing in lakes or sluggish streams, especially N. advena, of the eastern U.S.

Origin of spatterdock

An Americanism dating back to 1805–15; spatter + dock4
Also called cow lily. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019