WordWeb Online

1. Coming next after the ninth and just before the eleventh in position
   - 10th

1. A tenth part; one part in ten equal parts
   - one-tenth, tenth part, ten percent
    
2. Position ten in a countable series of things

Derived forms: tenths

See also: ordinal

Type of: common fraction, rank, simple fraction, vulgar fraction [Brit]

Encyclopedia: Tenth