mopholder

noun1

1. •
   A device for holding a sponge or mophead with a long handle and often with an attached wringer for squeezing excess water from the mop or sponge.

   • The simple mopholder found in every American home and which can be purchased today at any five and ten cent store in this country was invented and patented in 1893 by Thomas W. Stewart. — 1939