Meaning ofspannerin English

Noun

1. a steam engine valve controller
2. a hand tool for nuts and bolts; wrench
3. a musket spring winder
   The soldier used a spanner to wind his musket spring.
4. an unexpected problem (obstacle)
   The company faced a spanner when their funding was suddenly withdrawn.
5. a foolish person prone to mistakes (in speech or action)
   His brother is a bit of a spanner and often says silly things.