Trefoil

Dreiblatt denotes:

• a plant, Aegopodium podagraria L. - see ground elder
• a card game of chance - see typing
• in the tracery of Gothic ornamentation, three identical pointed arches constructed in a triangle or in a three-arch, cf. Three pass
• a mint master's mark from the Leipzig mint (1451–1454)

This is a disambiguation page for differentiating between several terms identified with the same word.