arachnoidal

== English == === Etymology === From arachnoid +‎ -al. === Adjective === arachnoidal (not comparable) (anatomy) Pertaining to the arachnoid mater; arachnoid. ==== Derived terms ==== ==== Translations ==== === References === “arachnoidal”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.