Wordnet polsko-angielski 
                        
1. (the cardinal number that is the sum of twelve and one) 
thirteen, 13, XIII, baker's dozen, long dozen 
2. 
thirteenth salary: : 
 (coming next after the twelfth in position) 
thirteenth, 13th 
Nowoczesny słownik polsko-angielski 
                        the number thirteen