What is defined as a foot consisting of 5 syllables?

The definition for a foot consisting of five syllables is known as "iambic pentameter." In poetry, a "foot" refers to the basic rhythmic unit that consists of a certain number of syllables arranged in a specific pattern.

Pentameter indicates that there are five of these feet in a line of verse. In the case of iambic pentameter, each "foot" consists of an iamb, which is made up of two syllables: the first is unstressed and the second is stressed. This creates a rhythmic pattern that is commonly used in English poetry and is famously used by poets like William Shakespeare.

In contrast, trochaic tetrameter consists of four trochees (a trochee being a foot with a stressed syllable followed by an unstressed one), anapestic dipodic involves a different arrangement of syllables and is not a commonly recognized metric form, and hexameter is defined as a line of verse consisting of six metric feet. Each of these options reflects different structures and can produce distinct rhythmic effects, but only iambic pentameter aligns with the definition provided.