† rostrulumn.

Origin: Formed within English, by derivation. Etymons: rostrum n., -ulum suffix.

Etymology: < rostrum n. + -ulum suffix.

Entomology. Obsolete. rare.

Kirby and Spence's name for: the mouthparts of a flea.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Siphonaptera or fleas > [noun] > member of (flea) > mouth-organ or rostrulum

rostrulum1826

1826 W. Kirby & W. Spence Introd. Entomol. III. xxxiv. 471 Its [sc. the flea's] oral apparatus, which I would name rostrulum, appears to consist of seven pieces.

1872 J. G. Wood Insects at Home 591 The beak, or rostrum (called a rostrulum by Kirby and Spence), is exceedingly complicated.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2021).

单词	rostrulum
释义	† rostrulumn. Origin: Formed within English, by derivation. Etymons: rostrum n., -ulum suffix. Etymology: < rostrum n. + -ulum suffix. Entomology. Obsolete. rare. Kirby and Spence's name for: the mouthparts of a flea. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Siphonaptera or fleas > [noun] > member of (flea) > mouth-organ or rostrulum rostrulum1826 1826 W. Kirby & W. Spence Introd. Entomol. III. xxxiv. 471 Its [sc. the flea's] oral apparatus, which I would name rostrulum, appears to consist of seven pieces. 1872 J. G. Wood Insects at Home 591 The beak, or rostrum (called a rostrulum by Kirby and Spence), is exceedingly complicated. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2021). < n.1826
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