Definition of Takbīr in US English:

Takbīr

noun

Islam
  • The declaration of ‘Allah Akbar’. See "Allahu Akbar".

Origin

Early 18th century; earliest use found in Simon Ockley (bap. 1679, d. 1720), orientalist. From Arabic takbīr vbl. n., declaring of greatness from kabbara to declare greatness.

Pronunciation

Takbīr

/tɑːkˈbɪər/