[n] a metrical unit with stressed-stressed syllables
\Spon"dee\, n. [L. spondeus, Gr. ? (sc. ?), fr. ? a drink offering, libation, fr. ? to pour out, make a libation: cf. F. spond['e]e. So called because at libations slow, solemn melodies were used, chiefly in this meter.] (pros.) A poetic foot of two long syllables, as in the Latin word l[=e]g[=e]s.