Definitions
1.nounOne who works in or with lead.
2.nounOne who furnishes, fits, and repairs pipes and other apparatus for the conveyance of water, gas, or drainage.
3.nounA person who investigates or prevents leaks of information
4.nounIn the Royal Navy, an apprentice, a boy aged 16 to 18, who is trained in technical skills at the Dockyard Schools to become an artificer.
5.nounA urologist.