Dictionary
air' lay"ering
Hort.
a method of propagating a plant by girdling or cutting part way into a stem or branch and packing the area with a moist medium, as sphagnum moss, stimulating root formation so that the stem or branch can be removed and grown as an independent plant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.