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2 definitions found
 for Vela
From The Collaborative International Dictionary of English v.0.48 :

  Velum \Ve"lum\, n.; pl. Vela. [L., an awning, a veil. See
     [1913 Webster]
     1. (Anat.) A curtain or covering; -- applied to various
        membranous partitions, especially to the soft palate. See
        under Palate.
        [1913 Webster]
     2. (Bot.)
        (a) See Veil, n., 3
        (b) .
        (b) A thin membrane surrounding the sporocarps of
            quillworts Isoetes).
            [1913 Webster]
     3. (Zool.) A veil-like organ or part. Especially:
        (a) The circular membrane that partially incloses the
            space beneath the umbrella of hydroid medusae.
        (b) A delicate funnel-like membrane around the flagellum
            of certain Infusoria. See Illust. a of Protozoa.
            [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: a constellation in the southern hemisphere between Carina
           and Pyxis; "because of its configuration Vela is sometimes
           called `the Sails'"

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