Basic Definition. Gross salary is the term used to describe all of the money you’ve made while working at your job, figured before any deductions are taken for state and federal taxes, Social Security and health insurance.If you work more than one job, you’ll have a gross salary amount for each one.asic Definition. Gross salary is the term used to describe all of the money you’ve made while working at your job, figured before any deductions are taken for state and federal taxes, Social Security and health insurance. If you work more than one job, you’ll have a gross salary amount for each one.