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[Middle English cedum, from Latin sedum, houseleek.]


(Plants) any crassulaceous rock plant of the genus Sedum, having thick fleshy leaves and clusters of white, yellow, or pink flowers. See also stonecrop, rose-root, orpine
[C15: from Latin: houseleek]


(ˈsi dəm)

any low, succulent plant of the genus Sedum, stonecrop family, with broad-toothed leaves and clusters of small flowers.
[1400–50; late Middle English cedum < Latin sedum houseleek]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sedum - any of various plants of the genus Sedumsedum - any of various plants of the genus Sedum
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
genus Sedum - large genus of rock plants having thick fleshy leaves
stonecrop - any of various northern temperate plants of the genus Sedum having fleshy leaves and red or yellow or white flowers
midsummer-men, rose-root, Sedum rosea - Eurasian mountain plant with fleshy pink-tipped leaves and a cluster of yellow flowers
live-forever, livelong, orpin, orpine, Sedum telephium - perennial northern temperate plant with toothed leaves and heads of small purplish-white flowers


[ˈsiːdəm] n (Bot) → sedo
References in periodicals archive ?
After they're cut down in winter, attention shifts to the evergreen mugo pine, red-stemmed Sedum 'Matrona', and rosemary (bottom right).
6 020 m 2 In the above-mentioned areas, the existing sedum areas of sludge and the weeds must be cleaned within the framework of the track-laying, also in the areas of long-term fertilizers.
Highlights of the development include houses with sedum (grass) and zinc roofs.
To retain the natural look of the site when viewed from a distance, these homes will also have sedum roofs, while the six, five bedroomed properties in the southern garden will have zinc roofs - resembling those of greenhouses.
A striking combo for late-summer colour is blood-red astrantia against a backdrop of pale yellow achillea Moonshine, interwoven with red-leaved sedum Ruby Glow.
WHAT YOU'LL NEED: Old colander Compost Small Sempervivum and sedum plants (look for them in the alpines section of a garden centre) Decorative gravel or horticultural grit WATER WHAT TO DO: 1.
The most obvious example and a useful plant for all our gardens is the sedum.
Also, Abels Hus will be fitted with a roof of sedum (stonecrop), which will absorb dust and air pollution, as well as reduce drainage to the sewage network.
Green roofs are made with sedum, soil and other drought-tolerant plant material--all meant to protect a roof's membrane, reduce storm water run-off, insulate, save energy and energy costs.
The school's environmentally friendly roof has been built using low maintenance sedum planting, which provides excellent cover and increased protection from the elements.