[clat.ter] vb [ME clatren, fr. (assumed) OE clatrian; of imit. origin] vi (13c) 1: to make a rattling sound "the dishes ~ed on the shelf"
2: to talk noisily or rapidly
3: to move or go with a clatter "~ed down the stairs" ~ vt: to cause to clatter -- clat.ter.er n -- clat.ter.ing.ly adv
[2]clatter n (14c) 1: a rattling sound (as of hard bodies striking together) "the ~ of pots and pans"
2: commotion "the midday ~ of the business district"
3: noisy chatter -- clat.tery adj