I.down1[美 daʊn, 英 daʊn]副down often appears as the second element of certain verb structures in English (back down, clamp down, tone down, etc). For translations, see the relevant verb entry (back, clamp, tone, etc).
With children now alternating from uniform to tracksuit a couple of times a week, consider a quick sponge down to remove stains rather than washing every time.