懂中文 Dong Chinese

駟

sì

team of four horses

Four 四 horses 馬; 四 also provides the pronunciation

Components
馬 meaning component

馬  Meaning component

mǎ

  

horse

四 sound,meaning component

四  Sound Meaning component

sì

  

four

Evolution

駟 Bronze script Early Spring and Autumn (~700 BC)

Bronze script

Early Spring and Autumn (~700 BC)
駟 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
駟 Clerical script Western Han dynasty (202 BC-9 AD)

Clerical script

Western Han dynasty (202 BC-9 AD)
駟 Regular script Modern

Regular script

Modern
Definitions

驷 (駟) 

sì

team of four horses; team of 4 horses