Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to pill-rolling tremor: cogwheel rigidity, Benign essential tremor, action tremor, rest tremor
resting tremor of the thumb and fingers seen in Parkinson disease.
pill-roll·ing trem·or(pil'rōl-ing trem'ŏr)
A rhythmic circular movement of the opposed tips of the thumb and index finger, a form of tremor noted in parkinsonism, tardive dyskinesia, and other extrapyramidal syndromes.