2. Designating the first letter or letters of a word. n. 1. a. The first letter of a proper name. b. initials The first letter of each word of a person's full name considered as a unit: stationery monogrammed with her initials. 2. The first letter of a word. 3. A large, often highly decorated letter set at the beginning of a chapter, verse, or paragraph.
Rhyme was most often used in these songs because people could remember rhyming songs better than non-rhyming ones, so rhyming songs endured while non-rhyming ones were quickly forgotten.
There are basically two kinds of rhyme used in poetry. The first is the most typical and best known by young people, END RHYME, in which the words at the end of a given line rhyme. The second kind of rhyme is called INTERNAL RHYME.