\Rat"-tailed`\, a. (Zo["o]l.)
Having a long, tapering tail like that of a rat.

{Rat-tailed larva} (Zo["o]l.), the larva of a fly of the
   genus Eristalis. See {Eristalis}.

{Rat-tailed serpent} (Zo["o]l.), the fer-de-lance.

{Rat-tailed shrew} (Zo["o]l.), the musk shrew.