Used attributively, especially before another noun, to denote something designed to tighten or fasten (e.g., "cinch belt", "cinch strap").
de serrageSe dit d’un dispositif ou d’une sangle servant à serrer ou fixer. She bought a cinch belt that instantly gave the dress more shape.
Elle a acheté une ceinture de serrage qui a instantanément donné plus de forme à la robe.