D defs.my
Entry 1 sense Webster, 1913

Cadmean

/(kăd*mē"an)/ · Cad·me·an · IPA
01 a. Of or pertaining to Cadmus, a fabulous prince of Thebes, who was said to have introduced into Greece the sixteen simple letters of the alph…
  1. 1.
    Of or pertaining to Cadmus, a fabulous prince of Thebes, who was said to have introduced into Greece the sixteen simple letters of the alphabet -- α, β, γ, δ, ε, ι, κ, λ, μ, ν, ο, π, ρ, σ, τ, υ. These are called Cadmean letters.
Phrases & compounds
Cadmean victory — a victory that damages the victors as much as the vanquished; probably referring to the battle in which the soldiers who sprang from the dragon's teeth sown by Cadmus slew each other. Similar to a Pyhrric victory.