• To keep safe; to defend; to guard; to prevent harm coming to.
  • To book a passenger on a later flight if there is a chance they will not be able to board their earlier reserved flight.


Similar words


  • Attested in English since 1530, from Latin prōtēctus ("covered, protected"), past participle of prōtegō from prō, prō- + tegō, see tegument. Displaced native Middle English shelden, from Old English sċildan (”to protect,” literally ”to shield”).

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