Entry 1 sense Webster, 1913 Persiennes /(pẽr`sĭ*ĕnz"; F. pẽr`syĕn")/ · Per·si·ennes · IPA 01 n. pl. Window blinds having movable slats, similar to Venetian blinds. 1. Window blinds having movable slats, similar to Venetian blinds.