The Collaborative International Dictionary of English v.0.48:

Chinaman \Chi"na*man\, n.; pl. Chinamen.
   A native of China; a Chinese.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Chinaman
    n 1: (ethnic slur) offensive term for a person of Chinese
         descent [syn: chink, Chinaman]
    2: a ball bowled by a left-handed bowler to a right-handed
       batsman that spins from off to leg