Synonyms for Brush (same or very similar meaning)
WordNet sense 1 (a dense growth of bushes):
brushwood, coppice, copse, thicketWordNet sense 2 (momentary contact):
light touchWordNet sense 3 (sweep across or over):
sweepWordNet sense 4 (a minor short-term fight):
clash, skirmish, encounterWordNet sense 5 (the act of brushing your teeth):
brushingFrom the ODE community, based on WordNetadd/edit