i Register
In some senses, tricker is marked as obsolete, British. Watch for register when choosing this word.
noun
One who tricks or plays tricks; a practical joker; a prankster
noun
A trigger.
[W]e pull'd aſide the Tricker, and obſerv'd, that according to our expectation the force of the Spring of the Lock vvas not ſenſibly abated by the abſence of the Air.
name
A surname transferred from the nickname.