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.