Defn: Pertaining to the arachnoid membrane; arachnoid.
ARACHNOIDEA
Ar`ach*noid"e*a, n. pl. Etym: [NL.] (Zoöl.)
Defn: Same as Arachnida.
ARACHNOLOGICAL
A*rach`no*log"ic*al, a.
Defn: Of or pertaining to arachnology.
ARACHNOLOGIST
Ar`ach*nol"o*gist, n.
Defn: One who is versed in, or studies, arachnology.
ARACHNOLOGY
Ar`ach*nol"o*gy, n. Etym: [Gr. -logy.]
Defn: The department of zoölogy which treats of spiders and other
Arachnida.
ARAEOMETER
A`ræ*om"e*ter.