Spondee
Pronunciation : Spon"dee
Part of Speech : n.
Etymology : [L. spondeus, Gr. spond?e. So called because at libations slow, solemn melodies were used, chiefly in this meter.] (pros.)
Definition : Defn: A poetic foot of two long syllables, as in the Latin word leges.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder