[clash] vb [imit.] vi (ca. 1500) 1: to make a clash "cymbals ~ed"
2: to come into conflict "where ignorant armies ~ by night --Matthew Arnold"; also: to be incompatible "the colors ~ed" ~ vt: to cause to clash -- clash.er n
[2]clash n (1513) 1: a noisy usu. metallic sound of collision
2. a: a hostile encounter: skirmish b: a sharp conflict "a ~ of opinions"