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appro

American  
[ap-roh] / ˈæp roʊ /

noun

British Informal.

  1. (of a purchase) approval.

    on appro.
appro British  
/ ˈæprəʊ /

noun

  1. an informal shortening of approval

    on appro
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of appro

First recorded in 1870–75; appr(oval) + -o

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.