Webster’s Revised Unabridged Dictionary · 1913
Limerick
Lim′er·ick, n. [Said to be from a song with the same verse construction, current in Ireland, the refrain of which contains the place name Limerick.] A nonsense poem of five anapestic lines, of which lines 1, 2, and 5 are of there feet, and rime, and lines 3 and 4 are of two feet, and rime; as —
There was a young lady, Amanda, Whose Ballades Lyriques were quite fin de Siècle, I deem But her Journal Intime Was what sent her papa to Uganda.