adj. Shaped like or resembling a thread or filament; filamentous.
adj. Having all component parts or segments cylindrical and more or less uniform in size.
the GNU version of the Collaborative International Dictionary of English
adj. Having the shape of a thread or filament; See Illust. of antennæ.
The Century Dictionary and Cyclopedia
Like a filum in form; thready; filamentous; filaceous.
Pertaining to or having the characters of the Filiformia.
n. In surgery, a very slender hair-like bougie.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. thin in diameter; resembling a thread
Word Usage
"Constantine, I discovered on the edges of the pigmented spherical bodies in the blood of a patient suffering from malaria, filiform elements resembling flagellae which were moving very rapidly, displacing the neighbouring red cells."