USC has dropped interim from football Coach Clay Helton's title. Clay Helton, who took over a USC program in turmoil and guided the Trojans to the Pac-12 Conference championship game, has been hired as USCâs permanent head coach, Athletic Director Pat Haden announced Monday.
tray (plural trays) 1  A small, typically rectangular or round, flat, rigid object upon which things are carried. quotations â¼ 1963, Margery Allingham, chapter 2, in The China Governess: Now that she had rested and had fed from the luncheon tray Mrs. Broome had just removed, she had reverted to her normal gaiety. She looked cool in a grey tailored cotton dress with a terracotta scarf and shoes and her hair a black silk helmet.
Word origin of 'tray'. tray in Chemical Engineering (treÉª) A tray is a plate-shaped device which is used in a distillation vessel to bring together a vapor and liquid. Continuous contacting between vapor and liquid occurs on each tray in the column and causes the separation between low boiling point components and those with higher boiling points.