† otidiumn.

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ὠτ- , οὖς , -idium comb. form.

Etymology: < ancient Greek ὠτ-, οὖς ear (see oto- comb. form) + -idium comb. form.

Zoology. Obsolete. rare. Apparently only attested in dictionaries or glossaries.

The otocyst of a mollusc.

ΚΠ

1890 Cent. Dict. 4175/1 Otidium, the typical ear of a mollusk; the form of otocyst or auditory organ which occurs in the Mollusca.

Derivatives

† otidial adj. Obsolete rare

ΚΠ

1890 Cent. Dict. 4175/1 Otidial, Of or pertaining to an otidium or the auditory organ of a mollusk.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2021).

单词	otidium
释义	† otidiumn. Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ὠτ- , οὖς , -idium comb. form. Etymology: < ancient Greek ὠτ-, οὖς ear (see oto- comb. form) + -idium comb. form. Zoology. Obsolete. rare. Apparently only attested in dictionaries or glossaries. The otocyst of a mollusc. ΚΠ 1890 Cent. Dict. 4175/1 Otidium, the typical ear of a mollusk; the form of otocyst or auditory organ which occurs in the Mollusca. Derivatives † otidial adj. Obsolete rare ΚΠ 1890 Cent. Dict. 4175/1 Otidial, Of or pertaining to an otidium or the auditory organ of a mollusk. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2021). < n.1890
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