sempervivum tectorum

4 definitions found

sempervivum tectorum - Collaborative International Dictionary of English v.0.48 :

  Sempervivum \Sem`per*vi"vum\, n. (Bot.)
     A genus of fleshy-leaved plants, of which the houseleek
     (Sempervivum tectorum) is the commonest species.
     [1913 Webster]

  Houseleek \House"leek`\, n. [House + leek.] (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.
     [1913 Webster]

  Jupiter \Ju"pi*ter\, n. [L., fr. Jovis pater. See Jove.]
     [1913 Webster]
     1. (Rom. Myth.) The supreme deity, king of gods and men, and
        reputed to be the son of Saturn and Rhea; Jove. He
        corresponds to the Greek Zeus.
        [1913 Webster]
  
     2. (Astron.) One of the planets, being the fifth from the
        sun, the brightest except Venus, and the largest of them
        all, its mean radius being about 43,345 miles (69,758
        kilometers), almost exactly one-tenth that of the sun. It
        revolves about the sun in 4,332.6 days, at a mean distance
        of 5.2025 from the sun (778,140,000 km), the earth's mean
        distance (the astronomical unit) being taken as unity. It
        has a mass of 1.901 x 10^27 kg, about one-thousandth
        that of the sun, and more than the remainder of the
        planets combined. It has an average solar day equal to
        9.842 earth hours. The rapid revolution causes a
        noticeable flattening at the poles; the diameter at the
        equator is 71,370 km, and at the poles 66,644 km. --HCP61
        [1913 Webster +PJC]
  
     Jupiter's beard. (Bot.)
        (a) A South European herb, with cymes of small red
            blossoms (Centranthus ruber).
        (b) The houseleek (Sempervivum tectorum); -- so called
            from its massive inflorescence, like the sculptured
            beard of Jove. --Prior.
        (c) the cloverlike Anthyllis Barba-Jovis.
  
     Jupiter's staff (Bot.), the common mullein; -- so called
        from its long, rigid spike of yellow blossoms. Jupon

  Ayegreen \Aye"green`\, n. [Aye ever + green.] (Bot.)
     The houseleek (Sempervivum tectorum). --Halliwell.
     [1913 Webster] Ayein
     Ayen