: 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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According to Yunnan Institute of Cultural Relics and Archaeology archaeologist Jian-Hui Liu and colleagues, all 35 tools seem to have been designed, crafted, and used to harvest plants—specifically, the rhizomes, bulb-like corms, and other underground organs that many plants use to store nutrients.—ArsTechnica, 7 July 2025 These corms are larger than most and should be planted at a 4-6 inch depth with a 3-5 inch separation between them.—Joshua Siskin, Oc Register, 26 June 2025 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 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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