"To get a deduction" means to lower the amount of money you have to pay in taxes by subtracting certain expenses or costs from your taxable income. Full definition
You don't get a deduction for contributions, but qualified distributions come out tax - free. (gobankingrates.com)
In this retirement account you don't get a deduction for contributing money today, but when you pull the money out in retirement you get to take the money out tax free. (artofbeingcheap.com)
You don't get a deduction when you put money into the account, but you won't owe any tax at all when you reach retirement age and begin distributions. (hardassetsalliance.com)