† codonostomen.

Forms:

α. 1800s–1900s codonostome.

β. 1800s–1900s codonostoma.

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek κώδων , -o- connective, -stome comb. form.

Etymology: < ancient Greek κώδων bell (of unknown origin) + -o- connective + -stome comb. form.In the β. forms showing alteration after stoma n.

Zoology. Obsolete.

The opening underneath the umbrella of a jellyfish or other medusoid animal. The mouth of a jellyfish, which also functions as the anus, is a small opening located in the centre of the body.

ΚΠ

1864 G. J. Allman in Rep. 33rd Meeting Brit. Assoc. Advancem. Sci. 1863 357 A well-developed umbrella, provided with the wide aperture or ‘codonostome’ which characterizes this part of the structure in the complete medusa.

1870 H. A. Nicholson Man. Zool. 85 The term ‘codonostoma’ has been proposed to designate the open mouth of the bell.

1914 Cent. Dict. IV. (rev. ed.) at Planoblast The opening of the bell-cavity is the codonostoma, partially closed by a membranous velum.

This entry has been updated (OED Third Edition, September 2020; most recently modified version published online June 2021).

单词	codonostome
释义	† codonostomen. Forms: α. 1800s–1900s codonostome. β. 1800s–1900s codonostoma. Origin: A borrowing from Greek, combined with an English element. Etymons: Greek κώδων , -o- connective, -stome comb. form. Etymology: < ancient Greek κώδων bell (of unknown origin) + -o- connective + -stome comb. form.In the β. forms showing alteration after stoma n. Zoology. Obsolete. The opening underneath the umbrella of a jellyfish or other medusoid animal. The mouth of a jellyfish, which also functions as the anus, is a small opening located in the centre of the body. ΚΠ 1864 G. J. Allman in Rep. 33rd Meeting Brit. Assoc. Advancem. Sci. 1863 357 A well-developed umbrella, provided with the wide aperture or ‘codonostome’ which characterizes this part of the structure in the complete medusa. 1870 H. A. Nicholson Man. Zool. 85 The term ‘codonostoma’ has been proposed to designate the open mouth of the bell. 1914 Cent. Dict. IV. (rev. ed.) at Planoblast The opening of the bell-cavity is the codonostoma, partially closed by a membranous velum. This entry has been updated (OED Third Edition, September 2020; most recently modified version published online June 2021). < n.1864
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