v. Obs. rare. Also 7 boaken. [f. BOLK v. + -EN: cf. light, lighten.]

1

  1.  intr. To gush, flow in gulps. = BOLK 7.

2

a. 1300.  E. E. Psalter cxliii[iv]. 13. Cleves … Bolkenand fra þat in to yit [? þis; v.r. from þis in þat; Vulg. eructantia ex hoc in illud].

3

  2.  To throb. = BOLK 6.

4

1697.  Phil. Trans., XIX. 379. The tops of my Fingers … did boaken and ake, as when after extream cold, one has the hot-ach in them.

5