Sentence:  Most hotels have a stated <WSD>check-out time</WSD> at which departing guests must vacate their rooms. In general, <WSD>check-out time</WSD> is between 10.00a.m. and noon. The information regarding this should be written on the key card, as well as stated in the information folder in the hotel guest-room. If guests do not vacate their rooms by the <WSD>check-out time</WSD>, a late check-out charge may be imposed. 
Meaning of the word marked with <WSD> tags:  The time of day by which one must check out of a hotel, campground, hospital, parking garage, etc.