(n) Old World annual widely naturalized in warm regions having white flowers and fleshy foliage covered with hairs that resemble ice, Syn. icicle plant, Mesembryanthemum crystallinum
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
n. [ OE. isikel, AS. īsgicel; īs ice + gicel icicle; akin to Icel. jökull; cf. Gael. eigh ice, Ir. aigh. ] A pendent, and usually conical, mass of ice, formed by freezing of dripping water; as, the icicles on the eaves of a house. [ 1913 Webster ]