pill-rolling tremor

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pill-·roll·ing trem·or

resting tremor of the thumb and fingers seen in Parkinson disease.

pill-rolling tremor

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.