WordNet sense 1 (an interconnected system of things or people):

network

WordNet sense 2 (computer network consisting of a collection of internet sites that offer text and graphics and sound and animation resources through the hypertext transfer protocol):

WWW, World Wide Web

WordNet sense 3 (an intricate trap that entangles or ensnares its victim):

entanglement

WordNet sense 4 (the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft):

vane

WordNet sense 5 (construct or form a web, as if by weaving):

net