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WordReference Random House Unabridged Dictionary of American English © 2024air′ lay′ering, [Hort.]- Botanya 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.
- air layer + ing1 1895–1900
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