Definition

A plant or design with three leaves or lobes, most commonly referring to clover or similar three-leaved plants. Trefoil is also a heraldic and decorative motif used in architecture and design.

Example Usage

The garden was dotted with lucky trefoil clover that the children hunted through to find four-leaf variations.

Origin

From Latin 'trifolium,' combining 'tri-' (three) and 'folium' (leaf), literally 'three-leaf.'

Fun Fact

The shamrock, the national symbol of Ireland, is often a type of trefoil clover, though the exact species has been debated for centuries.

Source: Definition backfill (hailey)

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