fleaking noun 1verb 2 noun1 •(dialect, no longer used) In a thatched building: a light covering of reeds, over which the main covering is laid.A narrow eaves-board being nailed across the feet of the spars, and some fleaking scattered on, the thatcher begins to “set his caves,” by laying a coat of reed[…] — 1787 verb2 •present participle and gerund of fleak (synonym of flaking). •present participle and gerund of fleak (synonym of flecking).