Real Dictionary

toil
uncountable noun: Toil is unpleasant work that is very tiring physically.
verb: If you toil somewhere, you move there slowly and with difficulty, usually because you are very tired.
verb: When people toil, they work very hard doing unpleasant or tiring tasks.

toil in American English 1
to work hard and continuously; labor
intransitive verb: to engage in hard and continuous work; labor arduously
noun: hard and continuous work; exhausting labor or effort
transitive verb: to accomplish or produce by toil

toil in American English 2
a net for trapping
noun: a net or series of nets in which game known to be in the area is trapped or into which game outside of the area is driven

toil in British English 1
noun: hard or exhausting work

toil in British English 2
noun: a net or snare