WordReference Random House Unabridged Dictionary of American English © 2025
fi•lar 
(fī′lər),USA pronunciation adj. 
            - of or pertaining to a thread or threads.
 - having threads or the like.
 
- Latin fīl(um) a thread + -ar1
 - 1870–75
 
'filar' also found in these entries (note: many are not synonyms or translations):