Webster's Revised Unabridged Dictionary · 1913

Tray

Tray , transitive verb

[Old French trair, French trahir, Latin tradere. See Traitor.]

To betray; to deceive. [Obsolete] — Chaucer

Tray (#) , noun

[Old English treye, Anglo-Saxon treg. Compare Trough.]

1.
A small trough or wooden vessel, sometimes scooped out of a block of wood, for various domestic uses, as in making bread, chopping meat, etc.
2.
A flat, broad vessel on which dishes, glasses, etc., are carried; a waiter; a salver.
3.
A shallow box, generally without a top, often used within a chest, trunk, box, etc., as a removable receptacle for small or light articles.