Each half-line had exactly six syllables, and each line ended in a trochee.
From the en.wikipedia.org
Stale old words derived from the Greek, like iamb and trochee, impede rather than assist the reader.
From the boston.com
The sixth foot is either a spondee or a trochee.
From the en.wikipedia.org
The iamb is the reverse of the trochee.
From the en.wikipedia.org
It is basically an iambic trimeter but with a surprise ending in the last foot, featuring a trochee or spondee that cripples the iambic rhythm.
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More examples
A metrical unit with stressed-unstressed syllables
(Trochees) or Lozenges are medicinal substances in powder, which are formed into solid cakes by the aid of sugar and gum.
A two-syllable unit or foot of poetry consisting of a heavy stress followed by a light stress. Many words in English naturally form trochees, including happy, hammer, Pittsburgh, nugget, double, incest, injure, roses, hippie, Bubba, "beat it," clever, dental, dinner, shatter, pitcher, Cleveland, ...
A metrical foot of with a strong stress followed by a weak.
A metrical unit, in quantitative verse, of a long syllable followed by a short.