Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A threadlike anatomical structure; a filament.

from The Century Dictionary.

  • noun A hair-like process on the radius of the down-feathers in some birds.
  • noun A thread; a filament, fibril, or fine fiber; a filar structure.
  • noun In musical notation, the stem or tail of a note.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy a filamentous anatomical structure

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a threadlike structure (as a chainlike series of cells)

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin fīlum, thread; see gwhī- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin fīlum ("thread").

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