verb · to answer respectfully 'yes'

众将官齐声向元帅唱喏。

verb · to shout to announce a dignitary's arrival and clear the path (archaic)

官差在轿前高声唱喏，令路人回避。

verb · to bow and utter polite phrases as a formal greeting (archaic)

他上前向长辈躬身唱喏，神态十分恭敬。