noun
Zack
zak
noun
1
A short, informal form of the male names Zachary or Zachariah.
"Zack forgot his lines during rehearsal."
2
British slang for a small sum of money, sixpence or five cents, or an old slang term for a short prison sentence.
"He said the old coin was worth "a zack" back in the day."
Word Forms
zacks plural
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_____ forgot his lines during rehearsal.
Etymology
The slang sense for money is of uncertain origin, possibly connected to "six."