n. (pl. -ies) (also attrib.) 1 the authorization given to a substitute or deputy (a proxy vote; was married by proxy). 2 a person authorized to act as a substitute etc. 3 a a document giving the power to act as a proxy, esp. in voting. b a vote given by this.
[ ME f. obs. procuracy f. med.L procuratia (as PROCURATION) ]