1. a container or bin designed to hold organic waste materials as they decompose into compost
2. a person who composts or practices composting

Examples

• We bought a large composter for our backyard to reduce kitchen waste.
• The composter sits in the corner of the garden and collects fruit peels and grass clippings.
• As an environmental activist, she is a dedicated composter who turns all her organic waste into soil.
• The tumbling composter makes it easy to mix the materials and speed up decomposition.
• Many gardeners use a composter to create nutrient-rich soil for their plants.
• He emptied the composter and spread the finished compost over his vegetable beds.