Obs. rare. (Erroneous var. of DALE3 1, either after VALE sb.1 or by simple misprint.)

1

c. 1635.  [see PUMP sb.1 6].

2

1710.  J. Harris, Lex. Techn., II. Vale of a Pump, at Sea, is the Term for the Trough by which the Water runs from the Pump along the Ship sides, to the Scupper-holes. [Hence in later Dicts.]

3