Meaning of TRAY in English

TRAY

tray S3 /treɪ/ BrE AmE noun [countable]

[ Language: Old English ; Origin: trig , treg ]

1 . a flat piece of plastic, metal, or wood, with raised edges, used for carrying things such as plates, food etc:

The waiter brought drinks on a tray.

2 . a flat open container with three sides used for holding papers, documents etc on a desk

in tray (=for holding documents you still have to deal with)

out tray (=for holding documents you have dealt with)

3 . especially British English a flat open container with four sides used for holding certain things:

a cat litter tray

seed tray (=a tray in which you plant seeds)

⇨ ↑ baking tray , ↑ system tray

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.