noun Computers, Informal.
a small application program that can be called up for use while working in another application.
Origin of applet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
computing a computer program that runs within a page on the Internet
Word Origin for applet
C20: from app (lication program) + -let
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
by 1995, a diminutive formation from application.
Online Etymology Dictionary, © 2010 Douglas Harper
A small computer program that has limited features, requires limited memory resources, and is designed to be downloaded from the Internet to run on a webpage. An applet cannot read or write data on the user's machine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.