v. & n.
--v.tr. (whetted, whetting)
1. sharpen (a scythe or other tool) by grinding.
2 stimulate (the appetite or a desire, interest, etc.).
--n.
1. the act or an instance of whetting.
2 a small quantity stimulating one's appetite for more.
Derivatives:
whetter n. (also in comb.).
Etymology: OE hwettan f. Gmc