At&t

name

name ·Rare ·Advanced level

Definitions

Proper Noun
  1. 1
    An American telecommunications company that provides voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.
  2. 2
    Alternative letter-case form of AT&T. alt-of, dated

Etymology

Etymology 1

An initialism of its former name, American Telephone and Telegraph Company.

Etymology 2

Stylistic brand change made in 2005.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.