Definition of bismillah in English:
 bismillah
exclamationbɪsˈmɪləbɪsˈmɪlə
In the name of God (an invocation used by Muslims at the beginning of an undertaking).
 Example sentencesExamples
-  Each threw seven times, chanting ‘bismillah’ and ‘Allahu Akbar’.
 -  It was only after he recited bismillah (Muslim phrase said prior to the commencement of any activity) that the lock turned.
 -  ‘The first thing I learnt was ‘bismillah irrahman irrahim’.
 -  Passengers were gloomy this morning, I said ‘bismillah’ to myself before stepping onto the 8.33 to Kings Cross.
 
Origin
  
From Arabic bi-smi-llāh, the first words of the Koran.
   Definition of bismillah in US English:
 bismillah
exclamationbisˈmiləbɪsˈmɪlə
In the name of Allah (an invocation used by Muslims at the beginning of any undertaking).
 Example sentencesExamples
-  ‘The first thing I learnt was ‘bismillah irrahman irrahim’.
 -  Each threw seven times, chanting ‘bismillah’ and ‘Allahu Akbar’.
 -  It was only after he recited bismillah (Muslim phrase said prior to the commencement of any activity) that the lock turned.
 -  Passengers were gloomy this morning, I said ‘bismillah’ to myself before stepping onto the 8.33 to Kings Cross.
 
Origin
  
From Arabic bi-smi-llāh, the first words of the Koran.