Standard Lemma guide
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noun
A small, deep-sea osmeriform fish of the family Opisthoproctidae, with barrel-shaped, tubular eyes which are generally directed upwards to detect the silhouettes of available prey.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From barrel + eye.
