Types of Rhyming Poetry

Meter
Pattern of streesed and unstressed syllables

Rhyme Scheme
Pattern of rhyme seen in the last word of lines

Stanzas
Groups of lines in poem

Quatrain
Four line stanzas, various rhyme schemes

Couplet
Pairs of lines that rhyme

Tercet
Stanzas of 3 lines, may or may not rhyme

Limericks
Usually silly, 5 lines (first 2 rhyme, second 2 rhyme, last rhymes with first two), has distinctive meter of 8,8,5,5,8