Akademik

checker
1.
n.
1 a person or thing that verifies or examines, esp. in a factory etc.
2 US a cashier in a supermarket etc.
2.
n.
1 var. of CHEQUER.
2 US a (in pl., usu. treated as sing.) the game of draughts. b = CHECKERMAN.

Useful english dictionary. 2012.