perf
Abbreviation. (philately) perforation or perforated. When followed by a number, eg, ''perf 14'', this indicates the number of perforations per two centimetres.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.