Definitions of jackrabbit
  1. noun
    large hare of western North America
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    Lepus townsendi, white-tailed jackrabbit, whitetail jackrabbit
    largest hare of northern plains and western mountains of United States; brownish-grey in summer and pale grey in winter; tail nearly always all white
    Lepus californicus, blacktail jackrabbit
    the common jackrabbit of grasslands and open areas of western United States; has large black-tipped ears and black streak on the tail
    type of:
    swift timid long-eared mammal larger than a rabbit having a divided upper lip and long hind legs; young born furred and with open eyes
  2. verb
    go forward or start with a fast, sudden movement
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    type of:
    jump, start, startle
    move or jump suddenly, as if in surprise or alarm
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