tre‧foil /ˈtriːfɔɪl, ˈtrefɔɪl/
noun [countable] technical[
Date: 1300-1400;
Language: Old French;
Origin: trefeuil, from Latin trifolium, from tri- 'three' + folium 'leaf']
1. a type of small plant that has leaves which divide into three parts
2. a pattern in the shape of these leaves
[TahlilGaran] Dictionary of Contemporary English ▲