Definitions for upanishaduˈpæn ɪˌʃæd, uˈpɑ nɪˌʃɑd
Random House Webster's College Dictionary
U•pan•i•shaduˈpæn ɪˌʃæd, uˈpɑ nɪˌʃɑd(n.)
any of a class of Hindu treatises, usu. in dialogue form, composed between the 8th and 6th centuries b.c. and first written a.d. c1300.
Category: Eastern Religions
Origin of Upanishad:
1800–10; < Skt upaniṣad
a later sacred text of Hinduism of a mystical nature dealing with metaphysical questions
"the Vedanta philosophy developed from the pantheistic views of the Upanishads"
An authorless Hindu religious and philosophical text considered to be an early source of the religion, found mostly as the concluding part of the Brahmanas and in the Aranyakas.