Dike

Dike or dyke, can mean:
 A slang term for lesbian
 Another word for levee, a long wall or bank built to hold water, or to separate land areas
Dykes may have sluice gates at intervals. They may be raised to let water through.
 Dyke (geology), where magma or sediment cut across normal rock formations
 Another word for diagonal pliers, a hand tool used by electricians and others
 Dike, the Greek goddess of moral justice, one of the Horae