vail
verb [ I or T ] old use uk/veɪl/ us/veɪl/
脱下（帽子等）（表示敬意）
to take off your hat or other head covering as a mark of respect to someone
Crowned heads vailed before the statue of Beethoven, doing homage to the royalty of genius. 在贝多芬的雕像前人们纷纷脱帽，向这位天才中的天才表示敬意。
（在某人去世时）降下旗帜至地面（表示敬意）
to let a flag touch the ground, as a mark of respect, for example when someone has died
When the flag is vailed on Remembrance Sunday, it is not considered as a desecration. 在阵亡将士纪念日降下国旗，垂至地面，并不是一种亵渎行为。