pintuck

American  

[pin-tuhk] / ˈpɪnˌtʌk /

Or pin tuck

noun

1. a narrow ornamental fold or pleat often arranged in rows on shirt fronts and dress bodices.

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Etymology

Origin of pintuck

First recorded in 1900–05; pin ( def. ) + tuck ¹ ( def. ) (in the sense “fold, pleat”)