| 释义 |
‖ pluteus|ˈpluːtiːəs|
Pl. plutei |-iːaɪ|.
[L. pluteus: see sense 1.]
1. Rom. Antiq., etc.
a. Arch. A barrier or light wall placed between columns.
b. Mil. A kind of shed or penthouse for protection of the soldiers, sometimes movable and running on wheels.
c. A shelf for books, small statues, busts, etc.
1832Gell Pompeiana I. ii. 16 The pillars of the upper portico..stood upon a sort of pluteus. 1895Nation (N.Y.) 9 May 359/1 The entrance and the wooden ceiling, as well as the reading-desks or plutei, were of Michelangelo's designing.
2. Zool. The larva of an echinoid or ophiuroid: known from its shape as the ‘painter's easel larva’.
1877Huxley Anat. Inv. Anim. ix. 565 Where an Echinopaedium stage exists, the larva is a Pluteus. 1888Rolleston & Jackson Anim. Life 569 The free swimming larva [in Ophiuroidea] is a Pluteus, and differs from the Echinoid Pluteus in possessing a pair of lateral arms.
Hence ˈpluteal a., pertaining to a pluteus; ˈpluteiˌform a., of the form of a pluteus (sense 2).
1877Huxley Anat. Inv. Anim. ix. 544 The vermiform Holothurid and the pluteiform Ophiurid or Echinid larvae. 1900E. R. Lankester Treat. Zool. iii. 292 The young of Echinus..undergo metamorphosis during the development and resorption of the pluteal skeleton. |