Synonyms for Node (same or very similar meaning)
WordNet sense 1 (any thickened enlargement):
knob, thickeningWordNet sense 2 (the source of lymph and lymphocytes):
lymph node, lymph glandWordNet sense 3 ((computer science) any computer that is hooked up to a computer network):
client, guestFrom the ODE community, based on WordNetadd/edit