Wordnet 3.0
ADJECTIVE (1)
1.
related to or infested with or transmitting parasitic worms especially filaria;
The Collaborative International Dictionary of English v.0.48:
Filarial \Fi*la"ri*al\, a.
1. (Zool. & Med.) Of, pertaining to, or caused by, filari[ae]
and allied parasitic worms.
[Webster 1913 Suppl.]
2. Straight, as if in a line; as, the filarial flight of
birds.
[Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):
filarial
adj 1: related to or infested with or transmitting parasitic
worms especially filaria