nat

n. a small, biting fly that often travels in large groups. These tiny insects can be very annoying when you are outside in the summer. In networking, NAT is a way to let many devices share one internet connection by changing their address information.

n. any of various small, typically biting, two-winged flies belonging to the suborder Nematocera. Often used collectively to refer to swarms of minute dipterous insects. In networking, Network Address Translation (NAT) is a method used to map multiple private IP addresses to a single public one for internet access.