n.
A metrical foot consisting of two long or stressed syllables.
[Middle English sponde, from Old French spondee, from Latin spondēum, from neuter of spondēus, of libations, spondaic, from Greek spondeios, from spondē, libation (from its use in songs performed at libations).]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.