urinal: a plumbing fixture (usually attached to the wall) used by men to urinate
plumbing fixture: a fixture for the distribution and use of water in a building
jacob: (Old Testament) son of Isaac; brother of Esau; father of the twelve patriarchs of Israel; Jacob wrestled with God and forced God to bless him, so God gave Jacob the new name of Israel (meaning `one who has been strong against God')