/ahr"geuh sid/ , n.
1. any of the numerous ticks of the family Argasidae, comprising the soft ticks.
adj.
2. belonging or pertaining to the family Argasidae.
[ Argasidae name of the family, equiv. to Argas a genus, perh. irreg. argós not working, idle (see ARGON) + -idae -ID 2 ]