Well, subst. 1) a spring, a fountain: “this brand she quenched in a cool w. by,” Sonn. 154, 9. “clear --s spring not,” Pilgr. 281. “have emptied all their fountains in my w., and mine I pour your ocean all among,” Compl. 255. “at Saint Gregory's w.” Gent. IV, 2, 84 (or sub 2?). “make --s and Niobes of the maids and wives,” Troil. V, 10, 19 (i. e. dissolved in tears. cf. “like Niobe, all tears,” Hml. I, 2, 149).
2) a deep narrow pit of water: Wiv. IV, 2, 62. John V, 2, 139. R2 IV, 184. Rom. III, 1, 99.