† overˈseethe,v.Obs. [over- 5.] trans.andintr. To boil over. 1633P. Fletcher Pisc. Ecl. iii. vi, Your stately seas (perhaps with love's fire) glow, And overseeth their banks with springing tide.1656Trapp Comm. 3 John 10 It is a metaphor taken from over-seething pots.