plug-in

adjective
\ ˈpləg-ˌin How to pronounce plug-in (audio) \

Definition of plug-in

 (Entry 1 of 3)

: designed to be connected to an electric circuit by plugging in a plug-in toy a plug-in circuit board

plug-in

noun

Definition of plug-in (Entry 2 of 3)

1 : something that plugs in
2 : a small piece of software that supplements a larger program (such as a browser)

plug in

verb
plugged in; plugging in; plugs in

Definition of plug in (Entry 3 of 3)

intransitive verb

: to establish an electric circuit by inserting a plug

transitive verb

: to attach or connect to an electric receptacle (such as an outlet)

First Known Use of plug-in

Adjective

1922, in the meaning defined above

Noun

1946, in the meaning defined at sense 1

Verb

1903, in the meaning defined at intransitive sense

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Time Traveler for plug-in

Time Traveler

The first known use of plug-in was in 1903

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Dictionary Entries Near plug-in

plughole

plug-in

plug in

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Statistics for plug-in

Cite this Entry

“Plug-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plug-in. Accessed 16 Aug. 2022.

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Nglish: Translation of plug-in for Spanish Speakers

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