Definitions
1.noun(usually in the plural) Operation; action.
2.nounMethod of operation.
3.nounThe incidental or subsidiary calculations performed in solving an overall problem."Be sure to check your working."
4.nounFermentation.
5.noun(of bodies of water) Becoming full of a vegetable substance.
6.nounA place where work is carried on."the abandoned mine workings"
7.nounThe internal mechanism of some device or system.
8.nounThe parts of a quarry or mine that are being (or has been) worked.