Tri

//tɹaɪ// name, noun, slang

name, noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    triathlon attributive

    "a tri bike"

  2. 2
    Initialism of Triple Reuptake Inhibitor. abbreviation, alt-of, initialism
  3. 3
    triangle

    "The most common poly budget in use for games at the time of this writing is between 5,000 and 10,000 tris. Anything within that range is sufficient to accommodate all superficial anatomical details without resort to optimization beyond normal model cleanup."

  4. 4
    triceps colloquial, uncommon
Proper Noun
  1. 1
    Initialism of Toxic Release Inventory. abbreviation, alt-of, initialism
  2. 2
    A surname from Vietnamese.
  3. 3
    Initialism of Toyota Research Institute. US, abbreviation, alt-of, initialism

Synonyms

All synonyms
ter

Example

More examples

"It depends on the Tagalog-speaker whether, for "three," he will say "tres" from Spanish or "tri" from English or "tatlo" natively. As Japanese has Native Japanese and Sino-Japanese numbers, as well as less official Anglo-Japanese numbers, Tagalog similarly has three sets for numbers."

Etymology

Etymology 1

Shortening of words with the initial component derived from Proto-Indo-European *tréyes (“three”).

Etymology 2

A Vietnamese surname.

Related phrases

periodic table

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