The nature of a convergent boundary depends on the type of plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone.
Medical Definition of URINAL. 1. : a vessel so constructed that it can be used for urination by a bedridden patient. 2. : a container worn by a person with urinary incontinence.
uâ¢riâ¢nal. 1. a flushable wall fixture, as in a public lavatory, used by men for urinating. 2. a building or enclosure containing such fixtures. 3. a receptacle to receive the urine of a person with urinary incontinence or that of a bedridden person.