arachnoid

Meanings

Adjective

• Relating to or resembling spider webs; covered with or composed of soft loose hairs or fibers.
• Relating to the arachnoid mater.
• Relating to or resembling spiders.

Noun

• A round network of fractures in the crust of Venus.
• An arachnid.

Origin

• Mid 18th century borrowing from New Latin arachnoīdēs, from Ancient Greek ᾰ̓ρᾰχνοειδής ("like a cobweb"), from ᾰ̓ρᾰ́χνη + -ο-.
• 19th century from Arachnida + -oid.