Definition of rat-tail in English:

rat-tail

Pronunciation /ˈratˌtāl/ /ˈrætˌteɪl/

noun

  • 1

    (also rat's tail)
    A narrow hairless tail like that of a rat, or something that resembles one.

    • ‘he's growing it longer, with a thin rat-tail braid at the back’
    1. 1.1British informal Hair hanging in lank, damp or greasy strands.
  • 2A fish with a long, thin tail.

    1. 2.1
      another term for grenadier (sense 2)
    2. 2.2
      another term for rabbitfish (sense 1 of the noun)