RhymeZone: tailer definitions

Definitions of tailer:

noun: One who follows or tails surreptitiously, as an investigator.
noun: (nautical) A worker on a yacht, responsible for furling and setting the sails.
noun: (fishing) A large noose with a long handle intended to secure a fish's tail.
noun: (fishing) A fish bottom-feeding in shallow water with its tail out of the water.

(Definitions from Wiktionary)