A device that provides additional support or assistance, especially in mechanical terms.

A supplementary device used to aid another system.

सहायक यंत्र

English Usage: The auxiliary fan was installed to improve air circulation in the room.

Hindi Usage: सहायक फैन कमरे में वायु परिसंचरण को सुधारने के लिए स्थापित किया गया था।