1) Dog type 2) Extinct dog breed 3) Working dog 
A limer, or lymer ər, was a kind of dog, a scenthound, used on a leash in Medieval times to find large game before it was hunted down by the pack. It was sometimes known as a lyam hound/dog or lime-hound, from the Middle English word lyam meaning `leash`. The French cognate limier has sometimes been used for the dogs in English as well. The typ.....
• (n.) A limehound; a limmer.
Lim'er (līm'ẽr) noun A limehound; a limmer. Chaucer. 
Limer is Caribbean slang or a hanger-on.