Oxford Advanced Learner's Dictionary Entry for "web"
web /web/ n 1 network of fine threads spun by a spider or some other spinning creature: a spider's web. =»illus at spider. Cf cobweb. 2 (usu fig) complex series or network: a web of deceit, lies, intrigue, etc. 3 piece of skin joining together the toes of some birds and animals that swim, eg ducks, geese, frogs etc. 4 large roll of paper for printing on.