a worker who wipes
"The wiper polished every stain off the restaurant tables before dinner service began."
contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet
"The electrician had to replace the faulty wiper on the old timer switch because it wasn't making proper contact with the power outlets."
a mechanical device that cleans the windshield
"I need to replace the broken wiper before it rains and I can't see the road."
Someone who wipes.
"The state's fisheries department released a batch of wipers into the river to boost local population numbers and test their growth rates in fresh water."
A hybrid fish variety artificially bred from eggs of striped bass (Morone saxatilis) fertilized with white bass (Morone chrysops) sperm, or the opposite combination.