organiser n 1: someone who enlists workers to join a union [syn: {organizer}, {organiser}, {labor organizer}] 2: a person who brings order and organization to an enterprise; "she was the organizer of the meeting" [syn: {organizer}, {organiser}, {arranger}] 3: a lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc. [syn: {personal digital assistant}, {PDA}, {personal organizer}, {personal organiser}, {organizer}, {organiser}]