Any portion of a developing embryo, or any substance produced by it, capable of inducing differentiation in other portions.
A person who organizes.
A labor-union official whose work is enlisting new members.
A device, usually with many compartments, for use in arranging items on a desktop, the contents of a closet, etc. more efficiently.
(1) Software that provides a calendar, to-do list and other daily management tools.
A person who arranges the details of a public event.
Origin of organizer
organize + -er