A vocal performance with no instrumental accompaniment.
Singing solely or mainly without instrumental accompaniment.
Related to a form of purely vocal music mostly associated with American college performance groups.
In a manner of a choir with no instrumental accompaniment; literally, "in the style of the (Sistine) Chapel (in Rome)", such as a musical Mass done a cappella.
A piece of writing in the tradition of poetry, an instance of poetry.
A piece of poetic writing, that is with an intensity or depth of expression or inspiration greater than is usual in prose.
A literary piece written in verse.