Noun
adat (countable and uncountable, plural adats)
Traditional custom or law, in Islamic parts of Southeast Asia. [from 18th c.]
ADAT (plural ADATs)
Initialism of Alesis Digital Audio Tape: a kind of magnetic tape for storing soundtracks.
Before, he used to plead with companies to pay out compensation for the adat land they were using. Source: Internet
On the other hand, the Indonesian legal system inherited the Roman Dutch Civil System and uses it as a source of law, in combination with customary law (hukum adat) and Indonesian national law. Source: Internet