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1. Sharing desks or workstations between office workers
   "We're now working storing our data online to take advantage of hotdesking, online collaboration and teleworking"
   - hoteling [US]

1. Work at whatever desk or workstation is available in an office
   "Many companies are now planning to move towards flexible working practises, where staff are encouraged to hotdesk while in the office and to work from home"

Encyclopedia: Hotdesking