Definition of pyrrhichius in US English:

pyrrhichius

(also pyrrichius)

noun

Prosody
rare
  • A metrical foot consisting of two short syllables.

Origin

Mid 16th century; earliest use found in John Palsgrave (d. 1554), teacher and scholar of languages. From classical Latin pyrrhichius, pyrrichius pyrrhic.

Pronunciation

pyrrhichius

/pɪˈrɪkɪəs/