consisting of, containing, covered with, or soaked with liquid (such as water); containing appreciable quantities of readily condensable hydrocarbons; rainy… See the full definition
Since the concept of being "wet" is an observation due to a liquid stimuli wouldn't that mean for something to be "wet it must be touched by something to recognize that it is wet? In other words since water is not conscious like we are it cant be wet until we (the conscious) touch it.