triomino.
A triangular tile, used in triominoes, a variant of the game of dominoes.
Meaning & usage
A triangular tile, used in triominoes, a variant of the game of dominoes.
Where this word comes from
From tri- + (d)omino.
Alternative form of tromino (“a polyomino consisting of three squares connected edge to edge”)
Where this word comes from
Etymology tree Proto-Indo-European *tréyes Proto-Indo-European *tri- Proto-Italic *tri- Latin tri-der. English tri- English -omino English triomino From tri- + -omino.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.