call tree

noun

A hierarchical communication structure used to rapidly notify a group of people during emergencies or critical events.

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Meanings

nouncall tree (plural call trees)

plural call trees

  1. communicationsA hierarchical communication structure used to rapidly notify a group of people during emergencies or critical events.

    Synonyms: phone tree

Synonyms & antonyms

nounA hierarchical communication structure used to rapidly notify a group of people during emergencies or critical events.

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Also see

Translations

Dutch telefoonboom
  • telefoonboomtree of people in which each person forwards a message to the next person
Cite this entry
APA

call tree. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/call%20tree

MLA

“call tree.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/call%20tree. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “call tree,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/call%20tree.

Source: call tree on Wiktionary, CC BY-SA 4.0.