1. Shaped in the form of the black trefoil or clover leaf on some playing cards 
2. Shaped in the form of a club that is larger at one end

See also: formed

• auriscope
• aurist
• aurochs
• aurora
• aurora australis
• aurora borealis
• auroral
• aurorean
• auroscope
• aurous
• aurum
• Auschwitz
• auscultate
• auscultation
• auscultatory
• auspex
• auspicate
• auspice
• auspices
• auspicious
• auspiciously
• auspiciousness
• Aussie
• Austen
• austenite