The plural of tray is trays.
A tray is a flat, shallow container or surface with raised edges used for carrying or holding items. It is typically made of plastic, metal, or wood and comes in various sizes and shapes. Trays are versatile and commonly used in homes, restaurants, cafeterias, and other settings for serving food and beverages, organizing items, or displaying objects. They provide a convenient and stable platform for transporting and arranging things.