Meaning of corm in English:


Pronunciation /kɔːm/

See synonyms for corm on

Translate corm into Spanish


  • A rounded underground storage organ present in plants such as crocuses, gladioli, and cyclamens, consisting of a swollen stem base covered with scale leaves.

    Compare with bulb (sense 1)

    ‘Clonal progeny may be produced by stolons, runners, rhizomes, tubers, buds on bulbs, corms and roots, layering of stems, and agamospermous seed.’
    • ‘Bulbs are geophytes including flower-producing bulbs, corms, tubers and rhizomes with underground storage systems.’
    • ‘The primary bulb species used for gardens and landscapes include: true bulbs, corms, tubers, tuberous roots, rhizomes, and enlarged hypocotyls.’
    • ‘Despite their differing underground structures, corms, tuberous roots, and rhizomes are all referred to as bulbs.’
    • ‘The former probably show more vegetative reproduction, by rhizomes, corms and bulbs.’
    • ‘Some of these plants grow from corms and rhizomes.’
    • ‘To our knowledge, humans are the only organism that routinely digs up, divides and replants tubers, bulbs and corms of flowers.’
    • ‘Plant gladioli, and corms of ranunculus and anemone.’
    • ‘Along with true bulbs, several types of flowers, sold as bulbs, grow from the underground stem growth of rhizomes, tubers, and corms.’
    • ‘The corms of these selected plants were sectioned and the diameter of the corm and central cylinder determined.’
    • ‘The most forgotten purchase of plants is bulbs, tubers and corms.’
    • ‘And they are so easy to manipulate in the garden: Plant a corm and harvest flowers 85 to 100 days later.’
    • ‘The sturdy spade-shaped tool is great for loosening the soil in landscape fabric or plastic planting holes, or in beds when planting bulbs, corms or plugs.’
    • ‘Bulbs, tubers, roots and corms should be firm and have no obvious mechanical damage or mold.’
    • ‘Examine bulbs, corms, and tubers for shriveling and rot.’
    • ‘Tender bulbs, corms and tubers will need protection in cold areas.’
    • ‘They are rhizome-like in stalk appearance but actually develop from an underground corm, taking 10 to 15 months before flowering.’
    • ‘We're hoping that the next garden will have a spot where we can safely plant a few corms to naturalise and spread out.’
    • ‘The banana is a herbaceous perennial that grows from an underground corm.’
    • ‘Plant corms 3 to 4 inches deep and 6 inches apart in rich, well-drained soil in an area that gets full sun and no summer water.’
    tuber, corm, rhizome


Mid 19th century from modern Latin cormus, from Greek kormos ‘trunk stripped of its boughs’.