D defs.my
Entry 1 sense Webster, 1913

Filar

· Fi·lar · IPA /ˈfaɪlə(ɹ)/
01 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.
  1. 1.
    Of or pertaining to a thread or line; characterized by threads stretched across the field of view; as, a filar microscope; a filar micrometer.