Calque of the Latin digitus medicus.
physic finger (plural physic fingers)
- the ring finger
1988, D. August Hunt, The Road of the Sun, →ISBN, page 8:
- […] Iasius ('healer') is the physic finger; Idas ('he of Mount Ida' — Rhea's seat) is the oracular little finger.
1998, Douglas Monroe, The Lost Books of Merlyn: Druid Magic from the Age of Arthur, →ISBN, page 322:
- Alder, physic finger, By power of divination,
Diagnose all maladies of a doubtful mind.
2004, Nathaniel Harris, Witcha: A Book of Cunning, →ISBN, page 107:
- From the confessions given by these witches, it seems that their initiation was sealed by a mark made with a pin prick upon the upper and middle joints of the physic finger.