A lump payment refers to a single payment made all at once, rather than in separate installments over time. It's a one-time payment for something, like a bill or a large purchase. Full definition
Most companies will charge small fees for the processing of monthly premiums, and these fees can be avoided by simply making lump payments. (rentersinsurance.net)
This kind of lump payment will result in smaller amounts of processing for the provider, and they will pass some of their savings onto the customer. (rentersinsurance.net)
My summer internship has left me with a single lump payment that is about 2x my yearly expenses. (money.stackexchange.com)