jounce (third-person singular simple present jounces, present participle jouncing, simple past and past participle jounced)
- (transitive, intransitive) 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.
jounce (countable and uncountable, plural jounces)
- (physics) The fourth derivative of the position vector with respect to time; the time derivative of jerk.