Idiom medium 54 / 58
“whetting the appetite”
i · The common misuse One wrong form
ii · What it meansTwo lines, no filler
WHET means to sharpen — a whetstone whets a blade; an appetiser whets the appetite. The error is 'wet' (which would mean to dampen).
iii · Memory hookKeep this one
Whet = sharpen, not wet.