A tool used for gripping and turning nuts or bolts.

A person or thing that has a disruptive influence or creates obstacles.

एक व्यक्ति या चीज जो अव्यवस्था उत्पन्न करती है या रुकावटें पैदा करती है।

English Usage: His arrival was a spanner in the works for the project.

Hindi Usage: उसकी उपस्थिति परियोजना के लिए एक स्पैनर थी।