What does shamrock mean?
• SHAMROCK (noun) The noun SHAMROCK has 3 senses: 1. creeping European clover having white to pink flowers and bright green leaves; naturalized in United States; widely grown for forage 2. Eurasian plant with heart-shaped trifoliate leaves and white purple-veined flowers 3. clover native to Ireland with yellowish flowers; often considered the true or original shamrock Familiarity information: SHAMROCK used as a noun is uncommon.