- cobweb houseleek
- noun
: a low European herb (Sempervivum arachnoideum) having bright red flowers and a basal rosette of small succulent leaves connected by cobwebby strands
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a small southern European plant, Sempervivum arachoideum, of the stonecrop family, having a dense, globular cluster of cobwebby leaves and red flowers on hairy stalks.
Useful english dictionary. 2012.