Noun
A geometrical diagram used as a meditation aid in tantric worship.
(religion) Any object used as a meditation aid in tantric worship.
Source: en.wiktionary.orgJust like a tanric deity on a Yantra (an implement), Balavadra, Shuvadra and Jagannath are placed on the Tara, Bhubaneswari and Shyama Yantra respectively, inscribed on Ratna Singhasan. Source: Internet
Fire service The fire service, known as the Barun Yantra Karyalaya, opened its first station in Kathmandu in 1937 with a single vehicle. citation An iron tower was erected to monitor the city and watch for fire. Source: Internet
The Nyingma tradition also practices Yantra yoga (Tib. Source: Internet
The Ganesh yantra is a 3×3 magic square. Source: Internet
"Yantra Yoga: The Tibetan Yoga of Movement" by Chogyal Namkhai Norbu. Source: Internet
Similarly, puja may involve focusing on a yantra or mandala associated with a deity. Source: Internet