Definition of "golfball" [golfball]

• Alternative spelling of golf ball. (noun)
• The IBM Selectric typewriter (noun)

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• "I understand that same material is used in golfball cores."
• "IBM Selectrics (the "golfball" model introduced in 1961, with its spherical type component that allowed interchangeable fonts)."
• "Sterling Cooper workday, secretaries proudly swoosh beige vinyl typewriter covers over their coveted IBM Selectrics (the "golfball" model introduced in 1961, with its spherical type component that allowed interchangeable fonts)."