a North American bog shrub, Ledum groenlandicum, of the heath family, having evergreen leaves and rounded clusters of white flowers.
Origin of Labrador tea
An Americanism dating back to 1760–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for labrador tea
either of two arctic evergreen ericaceous shrubs, Ledum groenlandicum or L. palustre var. decumbens
(in Canada) an infusion brewed from the leaves of either of these plants
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012