The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of a comparatively recent class of Hindu or Buddhist religious literature written in Sanskrit and concerned with powerful ritual acts of body, speech, and mind.
n. A Hindu or Buddhist religious or esoteric text.
the GNU version of the Collaborative International Dictionary of English
n. A ceremonial treatise related to Puranic and magic literature; esp., one of the sacred works of the worshipers of Sakti.
The Century Dictionary and Cyclopedia
n. One of a class of recent Sanskrit religious works, in which mysticism and magic play a great part.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. any of a fairly recent class of Hindu or Buddhist religious literature concerned with ritual acts of body and speech and mind
n. doctrine of enlightenment as the realization of the oneness of one's self and the visible world; combines elements of Hinduism and paganism including magical and mystical elements like mantras and mudras and erotic rites; especially influential in Tibet
Word Usage
"The term tantra refers to this intricately interwoven subject matter and the texts that discuss it."