Obs. [f. BOLTER sb.1 + -ING1.] The fabric used for bolters or sieves.
1609. C. Butler, Fem. Mon., i. (1623), C ij. For the safeguard of your face … provide a purs-hood made of course boultering.
1634. Althorp MS., in Simpkinson, Washingtons, 25. For other boltering and thinne canves.
