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

Tetrasyllabic \Tet`ra*syl*lab"ic\, Tetrasyllabical
\Tet`ra*syl*lab"ic*al\, a. [Cf. F. t['e]trasyllabique.]
   Consisting of, or having, four syllables; quadrisyllabic.