Wordnet 3.0
ADJECTIVE (1)
1. 
 of or relating to the Franks; 
The Collaborative International Dictionary of English v.0.48:
Frankish \Frank"ish\, a.
   Like, or pertaining to, the Franks.
   [1913 Webster]
WordNet (r) 3.0 (2006):
Frankish
    adj 1: of or relating to the Franks