Usually either nciku or CC-CEDICT can give me the measure word, but not always. I've ordered a measure word dictionary, but it hasn't arrived yet. Can anyone here give me an answer?

One might ask "Why the hell do you need a measure word for waists? How often do you need to count waists?" My approach here is to learn one or several measure words for every noun I learn. I'm convinced the only way to get this stuff right is to get into the Chinese way of thinking, and for that I need as many examples of measure words as I can learn. In fact, that slightly unorthodox ones might be good clues.

Probably the answer is just "Uh, I'd use gè", but maybe not? So what measure word goes with 腰?

My measure word dictionary lists the phrase 一场空欢喜 (yī chǎng kōng huānxǐ), "a fleeting moment of joy and then disappointment" under 场 chǎng. However, it also says that third tone is used for "a sports match or competition; presentation; public display" whereas it's second tone cháng for "a period of rain, snow, wind, battle, lawsuit or sickness". It seems to me that the way it's used in "一场空欢喜" has more in common with the second tone usage than the third. Has my dictionary made a mistake or is it really supposed to be third tone here?

Which tone would you use?