1) Anagram for flair 2) Fiber 3) Fibre 4) Having fine threads 5) Having threads or the like 6) Made of threads 7) Of a thread 8) Of threads 9) Relating to thread 10) Threaded Found on https://www.crosswordclues.com/clue/filar
• (a.) Of or pertaining to a thread or line; characterized by threads stretched across the field of view; as, a filar microscope; a filar micrometer. Found on http://thinkexist.com/dictionary/meaning/filar/
Fi'lar adjective [ Latin filum a thread.] Of or pertaining to a thread or line; characterized by threads stretched across the field of view; as, a filar microscope; a filar micrometer. Found on http://www.encyclo.co.uk/webster/F/28
adjective related to or having filaments (especially across a field of view as in the eyepiece of a telescope); `a filar eyepiece` Found on https://www.encyclo.co.uk/local/20974