UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈæprəʊ/US:USA pronunciation: respellingUSA pronunciation: respelling(aprō)

WordReference Random House Unabridged Dictionary of American English © 2020
ap•pro  (aprō),USA pronunciation n. [Brit. Informal.]
  1. British Terms(of a purchase) approval:on appro.
  • appr(oval) + -o 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
appro /ˈæprəʊ/ n
  1. an informal shortening of approval: on appro
'appro' also found in these entries (note: many are not synonyms or translations):

Report an inappropriate ad.