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What "meter" means in poetry

A term you'll meet in poetry.

Meter (British: metre) is the rhythmic structure of a poem — the pattern of stressed and unstressed syllables that organises the line. English poetic meter is built on syllable stress; other languages have used different bases (Greek and Latin meters were quantitative, counting syllable length). Understanding the basic metrical units lets you hear what a poet is doing rhythmically even before you understand what they are saying.

The basic feet

A foot is the smallest metrical unit, consisting of two or three syllables in a specific stress pattern. English has four common feet:

• Iamb (˘ /): unstressed-stressed. Be-LIEVE, a-LONE, the WORLD. The most common English meter; the closest to the natural rhythm of spoken English.
• Trochee (/ ˘): stressed-unstressed. TIG-er, MA-ry, FOL-low. Used heavily in nursery rhymes ("Mary had a little lamb") and to mark ritual/otherworldly speech (Shakespeare's witches in Macbeth).
• Anapest (˘ ˘ /): unstressed- unstressed-stressed. un-der-STAND, in-the-DARK. Used for gallop rhythms — Byron's "The Assyrian came down like the wolf on the fold."
• Dactyl (/ ˘ ˘): stressed-unstressed- unstressed. POE-tic-al, MEM-or-y. Used in classical hexameter (Homer); rare in English but used by Longfellow ("This is the FOR-est pri-MEV-al").

Two less common feet to know:

• Spondee (/ /): stressed-stressed. Used for emphasis or weight. Rare as a base meter; used as a deliberate substitution.
• Pyrrhic (˘ ˘): unstressed-unstressed. Two light syllables in a row. Also used as substitution rather than base meter.

The basic line lengths

Once you have the foot, the line is named by how many feet it has:

• Monometer — 1 foot. Rare.
• Dimeter — 2 feet.
• Trimeter — 3 feet. Common in ballads and hymns.
• Tetrameter — 4 feet. The metre of English ballads, hymns, much of Coleridge's "The Rime of the Ancient Mariner."
• Pentameter — 5 feet. The dominant English meter, especially iambic pentameter — used by Chaucer, Shakespeare, Milton, Wordsworth, and most major English poets.
• Hexameter — 6 feet. The classical meter (Homer, Virgil). Rare as a base meter in English because the line feels too long.
• Heptameter — 7 feet. Unusual.
• Octameter — 8 feet. Poe's "The Raven" is in trochaic octameter.

The standard combinations

Common metrical patterns in English:

• Iambic pentameter — five iambs per line. The metre of Shakespeare's plays, of Milton's Paradise Lost, of much of the English poetic canon. Also called blank verse when unrhymed.
• Iambic tetrameter — four iambs per line. Common in lyric poetry and ballads.
• Trochaic tetrameter — four trochees per line. Used by Longfellow's Hiawatha ("By the SHORES of GIT-che GU-mee").
• Anapestic tetrameter — four anapests per line. The gallop rhythm.
• Common meter / hymn meter — alternating iambic tetrameter and iambic trimeter, usually rhyming ABAB or ABCB. Most Protestant hymns; Emily Dickinson; ballads.

Scansion

The act of analysing a poem's meter is called scansion. The traditional notation uses " ˘ " for unstressed and " / " for stressed syllables, marked above the line. Scanning a line of poetry — actually identifying the stresses by reading aloud and marking them — is one of the foundational skills in poetry analysis. Once you scan a few stanzas, the foot patterns become audible without explicit marking.

Substitutions and the living line

Real poetry almost never perfectly matches its base meter. Skilled poets vary the meter for effect:

• Trochaic substitution — beginning an iambic line with a trochee. Used to emphasise the opening word. Common in Shakespeare ("TO be or NOT to BE").
• Spondaic substitution — putting a heavy stressed-stressed foot where an iamb would be. Slows the line down.
• Pyrrhic substitution — two unstressed syllables in a row. Speeds the line up.

The cumulative effect of these substitutions is what makes a metrical line feel alive rather than mechanical. Reading poetry well means hearing both the base meter and the substitutions that vary it.

Free verse and the abandonment of meter

Twentieth-century poetry largely abandoned strict meter. Walt Whitman in the nineteenth century and the Modernists in the twentieth (Eliot, Pound, Williams) replaced metrical counting with rhythms based on breath, image, or speech phrasing. Free verse is not non-rhythmic — it just is not counting feet. The shift was the defining technical revolution of modern poetry. Most contemporary published poetry is free verse, though metrical poetry continues.

How to read it in context

When reading any pre-twentieth-century poem, scan a stanza to identify the base meter. Then ask: where does the poet depart from it, and why? The departures are usually expressive. A heavily-iambic poem that suddenly inserts a spondee at a moment of emotional weight is the poet asking you to slow down and feel the weight. Meter is not decoration; it is one of the primary expressive tools the poet has.

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