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jounce ‎(third-person singular simple present jounces, present participle jouncing, simple past and past participle jounced)

  1. To jolt; to shake, especially by rough riding or by driving over obstructions.
    • 1931, William Faulkner, Sanctuary, Library of America, 1985, p.51:
      She felt herself swooping, then she was lying on the bed beside Gowan, on her back, jouncing to the dying chatter of the shucks.

Derived terms[edit]


jounce ‎(plural jounces)

  1. (physics) The fourth derivative of the position vector with respect to time; the time derivative of jerk.