rattail

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun deep-sea fish with a large head and body and long tapering tail

Etymology

From rat + tail: all of the nonliteral senses come from something else's fancied resemblance to the tail of a rat.

In classic literature

Synonyms

grenadier, rattail fish

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