Webster’s Revised Unabridged Dictionary · 1913
Adminicle
Ad·min′i·cle, n. [L. adminculum support, orig., that on which the hand rests; ad + manus hand + dim. ending -culym.] 1. Help or support; an auxiliary. Grote.
2. (Law) Corroborative or explanatory proof.
In Scots law, any writing tending to establish the existence or terms of a lost deed. Bell.