poster paint

noun
  1. an opaque, water-based, typically bright-colored paint with a glue-size or gum binder, that is suitable for use on posters and is usually packaged in jars.

Origin of poster paint

First recorded in 1935–40
Also called poster color.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for poster paint

poster paint

poster colour

noun
  1. a gum-based opaque watercolour paint used for writing posters, etc
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