Spreader meaning : An object or person who spreads. A spacer or device for keeping two objects apart. A device used to spread bulk material. A knife or spatula used to distribute a substance such as butter or jelly. A horizontal athwartships spar attached to the mast of a sailboat in order to extend the shrouds away from the mast. A machine for combining and drawing fibers of flax to form a sliver preparatory to spinning. The moving platform of a container crane. A member of a cracking group who distributes warez.