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单词 pluteal
释义

plutealadj.1

Origin: Either (i) formed within English, by derivation. Or (ii) a borrowing from Latin, combined with an English element. Etymons: plute n.1; Latin pluteus , -al suffix1.
Etymology: < plute n.1 or its etymon classical Latin pluteus + -al suffix1.
Roman Military. Obsolete. rare.
That is a pluteus (pluteus n. 1).
ΚΠ
a1460 Knyghthode & Bataile (Pembr. Cambr. 243) 2373 (MED) The sekel or the sithe, and vyneyerd, The cagys pluteal..Lo, alle these wil this Citee assaile With crafte.
a1460 Knyghthode & Bataile (Pembr. Cambr. 243) 2441 (MED) The cage pluteal [L. plutei] of twiggis plat, Of heerys hath couert and hidis grene; Not ouer high the roof ner ouer flatte, That shot & fier suffice it to sustene; On whelis iii to go thei [this]e demene, As goth a cart.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2020).

plutealadj.2

Brit. /ˈpluːtɪəl/, U.S. /ˈpludiəl/
Origin: Formed within English, by derivation. Etymons: pluteus n., -al suffix1.
Etymology: < pluteus n. + -al suffix1. Compare earlier pluteal adj.1
Zoology.
Of or relating to a pluteus (pluteus n. 2).
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > belonging to class Ophiuroidea > relating to or of form of larva
pluteiform1876
pluteal1893
1893 S. Lové in Bihang till Kongl. Svenska Vetenskaps-Akademiens Handlingar 18 iv. No. 1, 4 Development is performed entirely within the marsupium and..no free-swimming pluteal stage exists.
1900 E. R. Lankester Treat. Zool. iii. 292 The young of Echinus..undergo metamorphosis during the development and resorption of the pluteal skeleton.
1926 Philos. Trans. (Royal Soc.) B. 214 306 The young Echinus..has just completed its pluteal stage and has acquired only one ambulacral circle.
2004 Biol. Bull. 206 25/1 Three weeks after fertilization, all the pluteal arms, except for the postero-lateral arms, are absorbed, and the metamorphosing larvae sink to the bottom.
This is a new entry (OED Third Edition, September 2006; most recently modified version published online March 2022).
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adj.1a1460adj.21893
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