from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various succulent plants of the genus Sempervivum of Eurasia, having leaves arranged in rosettes and pinkish flowers, especially the common houseleek (S. tectorum). Houseleeks are often cultivated as garden plants and have traditionally been grown on roofs in Europe.

from The Century Dictionary.

  • noun The common name of the plants of the genus Sempervivum, natural order Crassulaceæ.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) A succulent plant of the genus Sempervivum (Sempervivum tectorum), originally a native of subalpine Europe, but now found very generally on old walls and roofs. It is very tenacious of life under drought and heat; -- called also ayegreen.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any of several succulent plants, of the genus Sempervivum, having a rosette of fleshy leaves


from Wiktionary, Creative Commons Attribution/Share-Alike License

Probably from an Old English *hūslēac, corresponding to house +‎ leek. Cognate with Dutch huislook, German Hauslauch, Danish husløg, Swedish huslök.



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  • A succulent herb with pink flowers and thick stem and leaves, the latter forming a dense rosette close to the root, which grows commonly on walls and the roofs of houses.

    February 19, 2008