An instrument for applying something, such as medicine or glue.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "applicator" in a sentence
"To ensure the safety of the contents inside, the label applicator lightly press down on the product just enough for the sticker to take hold."
"Describe installation and configuration of RFID label applicator"
"New food label applicator delivers improved versatility at less cost"