'organiser' definitions:

Definition of 'organiser'

(from WordNet)
noun
Someone who enlists workers to join a union [syn: organizer, organiser, labor organizer]
noun
A person who brings order and organization to an enterprise; "she was the organizer of the meeting" [syn: organizer, organiser, arranger]
noun
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]