Definition of pin-striper in English:

pin-striper

noun

US
informal
  • 1A pinstripe suit or dress.

  • 2A person who wears pinstriped clothing; specifically (a) a player in the New York Yankees baseball team; (b) a businessman or businesswoman, especially one belonging a prominent corporate company.

Origin

1940s; earliest use found in The Portland Press Herald. From pinstripe + -er.

Pronunciation

pin-striper

/ˈpɪnstrʌɪpə/