verb

• (computer science) To search for and eliminate malfunctioning elements or errors in something, especially a computer program or machinery.
  "It ranged from the pre-design development of essential components, through the stage of type test and flight test and "debugging" right through to later development of the engine to higher powers and efficiency."
• (electronics) To remove a hidden electronic surveillance device from (somewhere).
  "Typical fees: $75 to check a particular telephone, $125 to debug one room, $500 to debug a suite of offices— all plus expenses and transportation."
• (US) To remove insects from (somewhere), especially lice.
  "Mr. Moses started out his garden this year with only two toads. As they were differently marked, they soon became known as "Henry" and "Frank." Henry was strong in the pursuit of "ants." Every morning he is seen perched on his favorite hill "anting" for breakfast. Frank's occupation is that of debugging the roses and beating up the paths for miscellaneous insects."