? Obs. [f. prec. vb.] That which countervails; an equivalent.
c. 1430. Lydg., Chorle & Byrde (1818), 15. I to haue more poise closid in myn entraille Than alle my body set for the counteruaylle.
1663. Marq. Worcester, Water-Comm. Engine, 15. The Engine consisteth of the following Particulars:1. A perfect Counterpoize for what quantity soever of Water.2. A perfect Countervail for what Height soever it is to be brought unto 4. A Viceregent or Countervail supplying the place and performing the full force of a Man, Wind, Beast or Mill.
a. 1716. South, Serm. (1717), III. 515. The present pleasure of a sinfull Act, is a poor Countervail for the bitterness of the Review.
1853. G. Johnston, Nat. Hist. E. Bord., 126. This comparatively intricate structure is given as a countervail to the great size and weight of the seed.