any of several lemon-scented grasses of the genus Cymbopogon, especially C. citratus, of tropical regions, yielding lemon-grass oil.
Origin of lemon grass
First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for lemon grass
The more open parts are covered with Andropogoneous grasses; the lemon-grass occurs below.
Lemon-grass, Bambusifolia, Cryptogramæ calamelanos, Adiantum flagelliformis.
British Dictionary definitions for lemon grass
a perennial grass, Cymbopogon citratus, with a large flower spike: used in cooking and grown in tropical regions as the source of an aromatic oil (lemon grass oil)
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