(1)诡辩律师
为纠正错误或查清事实而提出质询者。该术语源于天主教会，在授予「圣者」封号的仪式上，专门有人指斥受封者的性格瑕疵或受封理由的不实。

(2)列圣审查官(=advocatus diaboli)

• third possessor
• Thirteenth Amendment
• thirty-day letter
• Thirty-Nine Articles
• threat
• threat by mail
• threatened cloud
• threatening letters
• three-judge court
• three-judge federal district court
• three-mile belt
• three-mile limit
• three-mile zone
• thrift payment
• thrithing
• through bill (of lading)
• through carriage
• through freight
• through freight contract
• through passenger
• through rate
• through route
• through ticket
• through transportation
• throwback rule