Source : Webster's Revised Unabridged Dictionary (1913)

Lepidoganoid \Lep`i*do*ga"noid\ (l[e^]p`[i^]*d[-o]*g[=a]"noid or
   -g[a^]n"oid), n. [Gr. lepi`s -i`dos, a scale + E. ganoid.]
   (Zo["o]l.)
   Any one of a division ({Lepidoganoidei}) of ganoid fishes,
   including those that have scales forming a coat of mail. Also
   used adjectively.