a. (Zool.) Having a long, tapering tail like that of a rat. [ 1913 Webster ]
Rat-tailed larva (Zool.), the larva of a fly of the genus Eristalis. See Eristalis. -- Rat-tailed serpent (Zool.), the fer-de-lance. -- Rat-tailed shrew (Zool.), the musk shrew. [ 1913 Webster ]