Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A lengthy television program to raise funds for a charity.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An event that brings in people to donate money through the phone via the television (TV).

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[tele– + (mara)thon.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

A blend of telephone and marathon

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