Source : Webster's Revised Unabridged Dictionary (1913)

Monostrophic \Mon`o*stroph"ic\ (m[o^]n`[-o]*str[o^]f"[i^]k), a.
   [Gr. monostrofiko`s; mo`nos single + strofh` strophe.]
   (Pros.)
   Having one strophe only; not varied in measure; written in
   unvaried measure. --Milton.