arachnid
Concise Oxford English Dictionary © 2008 Oxford University Press:
arachnid /əˈraknɪd/
▶noun Zoology an arthropod of the class Arachnida, which includes spiders, scorpions, mites, and ticks.
– origin from mod. L. Arachnida, from Gk arakhnē ‘spider’.
'arachnid' also found in these Oxford entries:
acarine
- arachnoid
- book lung
- false scorpion
- harvestman
- -id
- mite
- opisthosoma
- scorpion
- spider
- sun spider
- tick
- whip scorpion

