Pensionary \Pen"sion*a*ry\, n.; pl. {Pensionaries}. [Cf. F. pensionnaire. Cf. {Pensioner}.] 1. One who receives a pension; a pensioner. --E. Hall. 2. One of the chief magistrates of towns in Holland. {Grand pensionary}, the title of the prime minister, or or president of the Council, of Holland when a republic.