DCHP-1 Online
big jack East 
See quotes.
See also: jack (def. 5b) jack-rabbit
- 1921 They were the only shooting we had the last two years, and when it is so convenient for anyone to get out where the game is . . . the "Big Jacks," as they call them, will not last long, I assure you. . . . I think it is a shame to have as good a game animal as the Belgian or Holland Hare exterminated.
- 1965 . . . we understand that the big jack, or European Hare, is not as numerous this year.
- 1921 They were the only shooting we had the last two years, and when it is so convenient for anyone to get out where the game is . . . the "Big Jacks," as they call them, will not last long, I assure you. . . . I think it is a shame to have as good a game animal as the Belgian or Holland Hare exterminated.