Definition of plug–in
: designed to be connected to an electric circuit by plugging in a plug–in toy a plug–in circuit board
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1922
First Known Use of plug–in
1922
2
plug–in
noun
Definition of plug–in
1 : something that plugs in
2 : a small piece of software that supplements a larger program (such as a browser)
1946
First Known Use of plug–in
1946
PLUG–IN Defined for English Language Learners
plug-in
noun
Definition of plug–in for English Language Learners
-
computers : a small piece of software that adds a feature to a larger program or makes a program work better
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