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.
The performance of an office, ceremony, or duty.
Activity intended to improve physical, or sometimes mental, strength and fitness.
Any activity designed to develop or hone a skill or ability.
A setting in action or practicing; employment in the proper mode of activity; exertion; application; use.
To occupy the attention and effort of; to task; to tax, especially in a painful or vexatious manner; harass; to vex; to worry or make anxious.
To use (a right, an option, etc.); to put into practice.
To exert for the sake of training or improvement; to practice in order to develop.
To perform physical activity for health or training.