: a rounded thick modified underground stem base bearing membranous or scaly leaves and buds and acting as a vegetative reproductive structure compare bulb, tuber
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The majority of plant material exchanges—transfers of seeds, seedlings, whole plants and corms—took place between institutions located on the same continent.—Sarah Kuta, Smithsonian Magazine, 23 Apr. 2025 Consider growing summer-blooming bulbs, corms, and tubers, including agapanthus, begonias, caladiums, calla lilies, canna lilies, dahlias, daylilies, gladiolus, iris, lilies and watsonias.—Clarence Schmidt, San Diego Union-Tribune, 16 Apr. 2025 This welcome addition to the forest floor in April grows from an underground tuber or corm, which looks like a very small potato.—Sheryl De Vore, Chicago Tribune, 15 Apr. 2025 Once daytime temperatures reach 55-60 degrees, plant the corms 5 inches deep and 4 inches apart.—Brandee Gruener, Southern Living, 1 Apr. 2025 See All Example Sentences for corm
Word History
Etymology
borrowed from New Latin cormus, borrowed from Greek kormós "tree trunk after removal of the boughs," from kor-, o-grade derivative from the base of keírein "to cut off, shave" + -mos, resultative noun suffix — more at shear entry 1
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