資料來源 : Webster's Revised Unabridged Dictionary (1913)

Balanoid \Bal"a*noid\, a. [Gr. ? acorn + -oid.] (Zo["o]l.)
   Resembling an acorn; -- applied to a group of barnacles
   having shells shaped like acorns. See {Acornshell}, and
   {Barnacle}.