Saturators are things that make something very wet or full of water.
Saturators are usually used to make things wet on purpose, like plants or clothes.
Examples:
She uses the saturators to water the flowers.
The saturators make the ground very wet.
The saturators help the plants grow big and strong.
The saturators sprayed so much water, it looked like it was raining.
The saturators filled the whole garden with water.
The saturators are like magic water for the plants.