Triomino

//tɹaɪˈɒmɪnəʊ// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A triangular tile, used in triominoes, a variant of the game of dominoes.

    "Note: as the game plays, polyiamonds are created."

  2. 2
    Alternative form of tromino. alt-of, alternative

    "A polyomino made up of three squares connected edge to edge."

Example

More examples

"Note: as the game plays, polyiamonds are created."

Etymology

Etymology 1

From tri- + (d)omino.

Etymology 2

From tri- + -omino.

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