ZEALOT One who loves morality so well he will commit crime to maintain it.
ZEBRA The crook among horses, condemned to wear stripes for life.
ZERO Originally, nothing; but now meaning a good deal on a thermometer or bank-draft, and comprising two-thirds of the 400.
ZIGZAG The popular route after a heavy dinner. Old adage, "The longest way round is the drunkard's way home!"
ZOUAVE