on account

1. As something to be reckoned up as part of final payments; on credit.

on account

1. (colloquial) On account of the fact that; because.
   • 1948, Evelyn Waugh, The Loved One:

     Take your three days off, Mr. Barlow, only don't expect to be paid for them on account you're thinking up some fancy ideas.

   • 1999, George R.R. Martin, A Clash of Kings, Bantam, published 2011, page 466:

     ‘Well, we come on this pisswater river, running high on account there'd been rains.’

• on account of

• as, given that, seeing that; see also Thesaurus:because

• no-account