Final answer:
A cinquain is a five-line poem with a syllable pattern of 2, 4, 6, 8, 2, created by Adelaide Cra_psey, and examples include "Amaze" and "November Night."
Step-by-step explanation:
A cinquain poem is defined as a five-line stanza with a specific syllable count pattern, which consists of 2 syllables in the first line, 4 in the second, 6 in the third, 8 in the fourth, and 2 in the fifth. This format was established by Adelaide Cra_p_sey and is known for its unrhymed iambic form. An example of a cinquain is "Amaze" and another is "November Night," both of which adhere to the syllabic pattern that characterizes this poetic form.