Definition of "pinstripe" [pinstripe]

• A very thin stripe, especially on a fabric. (noun)
• A fabric with very thin stripes, often used for suits. (noun)
• A suit made of such fabric. Often used in the plural. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It was fun, too, watching power brokers in pinstripe suits avert their eyes."
• "A figure, immaculate in pinstripe suit and bowler hat, reclines before a bank of calculating devices - a curious mixture of early Cray mainframes and rococo, hand-carved wooden cases which look like they have been ripped from the organ gallery of a cathedral."
• "In this corner, in pinstripe trunks, the Noo Yawk Yankees."