plugin
adjective(plug-in)
designed to be connected to an electric circuit by plugging in
plugin
noun(plug-in)
something that plugs in
plugin
noun(plug-in)
a small piece of software that supplements a larger program (such as a browser)
plugin
verb(plug-in)
to establish an electric circuit by inserting a plug
plugin
verb(plug-in)
to attach or connect to an electric receptacle (such as an outlet)