Source : Webster's Revised Unabridged Dictionary (1913)

Alcaic \Al*ca"ic\, a. [L. Alca["i]cus, Gr. ?.]
   Pertaining to Alc[ae]us, a lyric poet of Mitylene, about 6000
   b. c. -- n. A kind of verse, so called from Alc[ae]us. One
   variety consists of five feet, a spondee or iambic, an
   iambic, a long syllable, and two dactyls.

Source : WordNet®

Alcaic
     n : verse in the meter used in Greek and Latin poetry consisting
         of strophes of 4 tetrametric lines; reputedly invented by
         Alcaeus [syn: {Alcaic verse}]