An arachnid is a member of a class of joint-legged invertebrate animals.
Arachnid may also refer to: Arachnid Solitaire or Spider, a solitaire card game Arachnid or Bugs (Starship Troopers), a member of a fictional alien race in Starship Troopers by Robert A. Heinlein Arachnid (film), a 2001 American horror film See also Arachne (disambiguation) Arachnoid (disambiguation)