codeshare

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noun

An agreement whereby an airline buys space on another airline and markets the extra space as its own. Often used to increase a route network without the costs of running a full service.

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Meanings

nouncodeshare (plural codeshares)

plural codeshares

  1. aeronauticsAn agreement whereby an airline buys space on another airline and markets the extra space as its own. Often used to increase a route network without the costs of running a full service.
verbcodeshare (third-person singular simple present codeshares, present participle codesharing, simple past and past participle codeshared)

present singular third person codeshares · participle present codesharing · participle past codeshared · past codeshared

  1. ambitransitiveaeronauticsTo buy space on (a flight) in this way.

Origin

From code + share, because of the change in the flight's two-letter airline identity code. One aircraft will have two or more codes and flight numbers.

Full word history & related roots →
Cite this entry
APA

codeshare. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/codeshare

MLA

“codeshare.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/codeshare. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “codeshare,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/codeshare.

Source: codeshare on Wiktionary, CC BY-SA 4.0.