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. whetter n. (also in comb.).
[ OE hwettan f. Gmc ]