Definition of washer

The word "washer" has its origins in Old English, as the word 'weser' was used to describe a small, round object used for cleaning. This word is believed to have evolved from the Old English root 'weosan,' meaning 'to wash.' The Old English 'weser' was primarily used in reference to small, round stones or rounded pieces of wood that were used in laundry tasks for scrubbing and cleaning clothing. However, as technology advanced and machine-washing became more common, the meaning of the word 'washer' began to shift. In the late 19th century, the term 'washer' came to specifically refer to a small, circular, rubber or plastic disk used in plumbing to help secure fittings and prevent leaks. This usage of the term 'washer' has continued to the present day, and is an example of how words can evolve and have multiple meanings over time. The word 'washer' serves as a reminder of the history and evolution of cleaning and plumbing technology, and highlights the versatility and adaptability of language.