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单词 megalopa
释义

megalopan.

Brit. /ˌmɛɡəˈləʊpə/, U.S. /ˌmɛɡəˈloʊpə/
Forms: also with capital initial.
Origin: A borrowing from Latin. Etymon: Latin Megalopa.
Etymology: < scientific Latin Megalopa (W. E. Leach: see quot. 1815, and note s.v. megalops n. 2) < Hellenistic Greek μεγαλωπός large-eyed ( < ancient Greek μεγαλο- megalo- comb. form + ὠπ- , ὤψ eye, face: see -ops comb. form) + -a -a suffix1 1.
Zoology.
= megalops n. 2.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Malacostraca > division Thoracostraca > order Decapoda > suborder Brachyura (crab) > crabs at particular stage
soft crab1737
softshell crab1806
megalopa1815
buster1855
megalops1855
shedder-crab1860
peeler1866
shedder1872
prawn-stage1896
fat crab1905
1815 W. E. Leach Malacostraca Podophthalmata Britanniæ Pl. xvi Megalopa Leach.
1862 W. B. Carpenter Microscope (ed. 3) xvi. 659 In which stage the [crab-] larva is remarkable for the large size of its eyes, and hence received the name of Megalopa when it was supposed to be a distinct type.
1880 T. H. Huxley Crayfish 284 The Megalopa stage of the crab.
1936 F. S. Russell & C. M. Yonge Seas (ed. 2) v. 123 It suddenly moults into a stage quite unlike the zoea and more like the adult crab; albeit when first found it was not recognized as such and was labelled ‘megalopa’.
1970 A. C. Hardy Open Sea ix. 176 The brachyuran zoea becomes a metazoea then passes through a young megalopa stage.
1985 P. S. Rainbow in K. Banister & A. Campbell Encycl. Underwater Life 224/3 After several molts it [sc. a zoea larva] develops into a megalopa.
This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022).
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n.1815
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