Definition of "subnet"

subnet

noun
plural subnets
1. (topology) The abstraction of a sequence.
2. (networking) A portion of a network that shares a network address in which each component is identified by a number.
verb
third-person singular simple present subnets, present participle subnetting, simple past and past participle subnetted
1. (transitive, networking) To break (a network) into subnets.