: a machine or container that is used for burning garbage, waste, etc. a machine or container that is used for burning garbage, waste, etc.
Net is the final figure after you've taken expenses off. For instance net wages is wages after tax and other deductions. Net interest is after tax is taken off. Net profit is gross profit after overheads have been deducted.
In accounting, net profit is equal to the gross profit minus overheads and interest payable for a given time period (usually, the accounting period). A common synonym for net profit when discussing financial statements (which include a balance sheet and an income statement) is the bottom line.