Comment Comment by jerrycruncher > I don't know why.'Whet' means to sharpen (whetstones are used to sharpen knives, for example), so whetting one's appetite means to sharpen appetite, or to make one hungrier (for knowledge, food, whatever). parent jerrycruncher 2 years ago
'Whet' means to sharpen (whetstones are used to sharpen knives, for example), so whetting one's appetite means to sharpen appetite, or to make one hungrier (for knowledge, food, whatever).