hào, háo
call, mark
Phonosemantic compound. 口 represents the meaning and 丂 represents the sound. Simplified form of 號.
Evolution

Bronze script
Early Warring States (~400 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Western Jin dynasty (266-316 AD)Regular script
ModernDefinitions
Component uses
Meaning component in 1 character (1 verified)
Sources
季旭昇《說文新證》p.393