1. (

• organizer ,
• organiser ,
• arranger

) a person who brings order and organization to an enterprise; "she was the organizer of the meeting" ;

2. (

• organizer ,
• organiser ,
• labor_organizer

) someone who enlists workers to join a union ;

3. (

• personal_digital_assistant ,
• PDA ,
• personal_organizer ,
• personal_organiser ,
• organizer ,
• organiser

) 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. ;