HOUSELEEK

houseleek. Houseleek, n. a plant which grows within doors

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House″leek′ (?), n. [[House + leek.]] (Bot.) A succulent plant of the genus Sempervivum (S. 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.