yoga

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An ascetic Hindu discipline involving controlled breathing, prescribed body positions, and meditation, with the goal of attaining a state of deep spiritual insight and tranquility.
• noun A system of stretching and positional exercises derived from this discipline to promote good health, fitness, and control of the mind.

from The Century Dictionary.

• noun One of the branches of the Hindu philosophy, which teaches the doctrines of the Supreme Being, and explains the means by which the human soul may obtain final emancipation from further migrations, and effect a junction with the universal spirit.

from the GNU version of the Collaborative International Dictionary of English.

• noun A species of asceticism among the Hindoos, which consists in a complete abstraction from all worldly objects, by which the votary expects to obtain union with the universal spirit, and to acquire superhuman faculties.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any of several Hindu discipline aimed at training the consciousness for a state of perfect spiritual insight and tranquillity; especially a system of exercises practiced to promote control of the body and mind.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun Hindu discipline aimed at training the consciousness for a state of perfect spiritual insight and tranquility that is achieved through the three paths of actions and knowledge and devotion
• noun a system of exercises practiced as part of the Hindu discipline to promote control of the body and mind