Adjective
So tight as to retain, or not to admit, water; not leaky.
Source: Webster's dictionaryCooling Annualized geo solar buildings often have buried, sloped water-tight skirts of insulation that extend convert from the foundations, to prevent heat leakage between the earth used as thermal mass, and the surface. Source: Internet
Often a gasket is provided to provide a water-tight seal to the panel and the front of the LCD will be sealed to the back of the front panel to prevent water and dirt contamination. Source: Internet
Retting can also be done in a plastic trash can or any type of water-tight container of wood, concrete, earthenware, or plastic. Source: Internet
Watertight above-water platforms with sections protected by water-tight bulkheads can prevent sinking if the hulls fail. Source: Internet