third-party cookie

noun

A cookie set by a domain other than the one a user is directly visiting, used for purposes like cross-site tracking to show personalized ads based on a user's browsing history.

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Meanings

nounthird-party cookie (plural third-party cookies)

plural third-party cookies

  1. A cookie set by a domain other than the one a user is directly visiting, used for purposes like cross-site tracking to show personalized ads based on a user's browsing history.
Cite this entry
APA

third-party cookie. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/third-party%20cookie

MLA

“third-party cookie.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/third-party%20cookie. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “third-party cookie,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/third-party%20cookie.

Source: third-party cookie on Wiktionary, CC BY-SA 4.0.