- (specialist)
a plant whose leaves are divided into three similar parts, for example clover 车轴草;百脉根;三叶植物 a decoration or a design like a trefoil leaf in shape 三叶形装饰(或图案)
Word OriginMiddle English: from Anglo-Norman French trifoil, from Latin trifolium, from tri- ‘three’ + folium ‘leaf’.