Webster's English Dictionary

Enter the word to look up:

plenipotentiary

pleni.po.ten.tia.ry \.plen-*-p*-'tench-(*-)re-, -'ten-che--.er-e-\ n [ML 
   plenipotentiarius, adj. & n., fr. (assumed) plenipotentia inves]tment with 
   full power, fr. LL plenipotent-, plenipotens : a person and esp. a 
   diplomatic agent invested with full power to transac t any business - 
   plenipotentiary aj