Relier Pairs Hospitality AcronymsVersion en ligne These are some of the acronyms that will be used often in the hospitality & service industries. par Shannon Thomas 1 GRA 2 BOH 3 FOH 4 LOS 5 ETA 6 F&B 7 C/O 8 BEO 9 ADR 10 ALOS 11 MTD 12 ETD 13 AV 14 FOM 15 CRS ESTIMATED TIME OF DEPARTURE LENGTH OF STAY BACK OF HOUSE AVERAGE DAILY RATE GUEST ROOM ATTENDANT FRONT OF HOUSE MONTH TO DATE CHECK OUT ESTIMATED TIME OF ARRIVAL FOOD AND BEVERAGE BANQUET EVENT ORDER CENTRAL RESERVATION SYSTEM FRONT OFFICE MANAGER AUDIO VISUAL AVERAGE LENGTH OF STAY