variant of BOLT sb.3, Obs., a flour-sieve.

1

  Hence (or from stem of bult, BOLT v.1), † bultpele, ? a shovel for putting meal into the bolter.

2

c. 1475.  Voc., in Wr.-Wülcker, 808. Hoc pollentridium, a bultpele. Polenduare, a bult.

3