Unlike many traditional insurers, HMOs do not merely provide financing for medical care. The HMO actually delivers the treatment as well. ... HMOs provide medical treatment on a prepaid basis, which means that HMO members pay a fixed monthly fee, regardless of how much medical care is needed in a given month.
Net ball. net ball: a ball that on the service (as in tennis and volleyball) strikes the top of the net and lands in the service court but must be served over.