a. and sb. Obs. [ad. L. adjūtōri-us serving to help, also subst. masc. a helper, neut. -ōrium a means of help, f. ADJUTOR; see -ORY.]
A. adj. Helping, contributing aid. spec. in Phys. applied to certain bones of the arm, from their assisting in raising the hand.
1612. Woodall, Surg. Mate, Wks. 1653, 155. The arm-pit, or hollow place under the upper round end of the adjutory bone.
1656. Blount, Glossogr., The two bones which extend from the shoulders to the elbow are called adjutory ones. [Repeated with little or no variation in Phillips, Kersey, Bailey.]
1706. Phillips, Adjutory, aiding or helping.
B. sb.
1. A helper (L. adjūtōrius).
1552. Lyndesay, Monarche (1866), 6270. Tharfor, cal god to be thi adiutory.
2. Phys. A bone of the arm; prop. the humerus, but with some the ulna. (med.L. os adjutorium.)
1541. R. Copland, Guydons Quest. Cyrurg. Towarde the elbowe ben receyued ye roundnesses graduales of the adiutory.
3. Help, assistance. (L. adjūtōrium.)
c. 1505. Dunbar, To King, xvii. I haif belief, In howp, Schir, of your adjutory.
1678. Gale, Crt. of Gentiles, III. 125. The Dominicans have reached the Marrow of Divine adjutorie.