In poetry, the meter (American English) or metre(British English) is the basic rhythmic structure of a verse or lines in verse. Many traditional verse forms prescribe a specific verse meter, or a certain set of meters alternating in a particular order. The study of metres and forms of versification is known as prosody. (Within linguistics, "prosody" is used in a more general sense that includes not only poetical meter but also the rhythmic aspects of prose, whether formal or informal, which vary from language to language, and sometimes between poetic traditions.)
A metrical line with 4 metrical feet is called tetrameter. Each foot typically consists of two syllables or one long syllable, following a specific pattern depending on the type of verse (e.g., iambic tetrameter, trochaic tetrameter).
the rhythmic pattern of a poetic line.
Scansion.
free verse
anapestic
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A verse is generally considered to be a single line in a metrical composition, e.g. poetry
scansion
A synonym for metrical stress in poetry is "accent." It refers to the emphasis placed on a particular syllable in a word or line of poetry to create a rhythmic pattern.
The metrical feet in Poe's "Annabel Lee" are predominantly iambic. The poem is written in a unique metrical pattern called trochaic tetrameter, with four trochees in each line. This creates a steady rhythm and musical quality to the poem.
meter
a pause or break that divides a line of poetry