to move in a twisting or contorted motion, (especially when struggling); "The prisoner writhed in discomfort"; "The child tried to wriggle free from his aunt's embrace"
gradually deprive (infants and young mammals) of mother's milk; "she weaned her baby when he was 3 months old and started him on powdered milk"; "The kitten was weaned and fed by its owner with a bottle"
obtain by seizing forcibly or violently, also metaphorically; "wrest the knife from his hands"; "wrest a meaning from the old text"; "wrest power from the old government"