beflag

verb

1. (transitive)To decorate with a flag or flags; to hang a flag or flags on.

   “Apart from the beflagging of streets and the organisation of processions and festivities, the idea was to make the security arrangements so prodigious and so inconvenient that the extreme importance of the Marshal’s person would be forcibly impressed upon the minds of the people of Budapest.”

   “What she was experiencing was an absence of sounds in general, not my own peculiar distinction of noises no longer heard: the screeching of pulley-wheels as rainyday washings rose to beflag the ceiling; the thump of doors closing […]”