| 释义 |
‖ Veˈlella Zool.
[mod.L. (Gmelin and Lamarck), f. L. vēlum sail.]
A genus of siphonophorous oceanic hydrozoans; a member of this genus.
1834McMurtrie Cuvier's Anim. Kingd. 482 The Porpita and Velella..which were formerly joined with the Medusæ. 1860Wraxall Life in Sea x. 243 The Velellæ have a very extended geographical range. 1861P. P. Carpenter in Rep. Smithsonian Instit. 1860, 240 The animals are believed to sleep by day and prey upon the Jelly Fish and Velellas by night. 1882Cassell's Nat. Hist. VI. 284 The little Velella..has been compared to a little raft with an obliquely placed upright sail.
Hence veˈlellidous a., related to Velella.
1845Encycl. Metrop. VII. 268/1 The Velellidous Acalephs have within their soft substance a cartilaginous or calcareous plate or disc. |