(computing) a small program module that runs under the control of a larger application, typically a web browser
A Java program running on an Internet server that generates web content dynamically in response to requests from clients.
a Java application; an application program that uses the client's web browser to provide a user interface
In computing, an applet is any small application that performs one specific task that runs within the scope of a dedicated widget engine or a larger program, often as a plug-in. The term is frequently used to refer to a Java applet, a program written in the Java programming language that is designed to be placed on a web page.