Collocations for tray - noun

breakfast, dinner, lunch
cafeteria, deli (both esp. AmE)
drinks, tea
bed (AmE)
hospitality, serving
plastic, silver, etc.

bear, carry
pick up
balance
He balanced the tray on his knees.

place, put down, set down
drop

on a/the tray
A waitress came in, carrying tea on a tray.

tray of
waiters bearing trays of champagne