four
Cross references:
1. number
four \'fo-(*)r, 'fo.(*)r\ n [ME, fr. four adj., fr. OE fe-ower; akin to OHG
fior four,] L quattuor, Gk tessares, tettares 2: the fourth in a set or
series {the ~ of hearts} 3: something having four units or members {rows on
the school ~} - four ajor ;pn
Webster's English Dictionary