Pronunciation: (pin'strīpt"), [key]
1. (of a fabric or garment) having a pattern of pin stripes.
2. Informal.having or conveying the attitudes, policies, etc., often associated with persons who typically wear such garments in their work, as bankers or lawyers: a pinstriped mind. Also,pin'-striped".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.