Noun
a position some distance below the top of a mast to which a flag is lowered in mourning or to signal distress
Source: WordNethalf staff
In the event of the death of a current or former President, like the recent death of President Ronald Reagan, the flag should be flown at half-staff for thirty days from the day of the death. Michael K. Simpson
I'm glad President Obama followed my lead and lowered the flags half-staff. It's about time! Donald Trump
Aurora's Mayor says the flags here will fly at half-staff until the first sunrise after Villalon is laid to rest. Source: Internet
Flags will be flown at half-staff throughout the state today in remembrance of the 9/11 attacks 19 years ago. Source: Internet
Flags fly at half-staff at Hector International Airport in Fargo in honor of the Colorado shooting victims July 25, 2012. Source: Internet
Governor Kate Brown ordered all flags at Oregon public institutions to be flown at half-staff to honor victims of the coronavirus pandemic. Source: Internet