What is Abaca?
1.
hemp obtained from a plant in manila; manila hemp; manila paper.
hey man you got some abaca i can smoke?
2.
Musical form, commonly known as 'rondo', where every other phrase or section repeats the same musical material, with different phrases or sections inserted in between. Can be extended: abacada; abacaba; abacadacaba; and so forth.
Elementary music teacher: "What is rondo form?"
Class of second graders: "a-b-a-c-a!"