idyll, or idyl
Either a short poem depicting a peaceful, idealized country scene, or a long poem that tells a story about heroic deeds or extraordinary events set in the distant past. Idylls of the King, by Alfred Lord Tennyson, is about King Arthur and the Knights of the Round Table.
lay
A long narrative poem, especially one that was sung by medieval minstrels called trouvères. The Lais of Marie de France are lays.
limerick
A light, humorous poem of five usually anapestic lines with the rhyme scheme of aabba.
litotes
A figure of speech in which a positive is stated by negating its opposite. Some examples of litotes: no small victory, not a bad idea, not unhappy. Litotes is the opposite of hyperbole.
lyric
A poem, such as a sonnet or an ode, that expresses the thoughts and feelings of the poet. A lyric poem may resemble a song in form or style.
masculine rhyme
A rhyme that occurs in a final stressed syllable: cat/hat, desire/fire, observe/deserve.
metaphor
A figure of speech in which two things are compared, usually by saying one thing is another, or by substituting a more descriptive word for the more common or usual word that would be expected. Some examples of metaphors: the world's a stage, he was a lion in battle, drowning in debt, and a sea of troubles.
meter
The arrangement of a line of poetry by the number of syllables and the rhythm of accented (or stressed) syllables.
metonymy
A figure of speech in which one word is substituted for another with which it is closely associated. For example, in the expression The pen is mightier than the sword, the word pen is used for “the written word,” and sword is used for “military power.”
narrative
Telling a story. Ballads, epics, and lays are different kinds of narrative poems.