Definition of "bird-dog" []

• To follow a subject of interest, such as a person or trend, with persistent attention. (verb-intransitive)
• To observe or follow closely; monitor: Police bird-dogged the suspect's movements. (verb-transitive)
• To seek out (talent or clients, for example): bird-dogs recruits for the team. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Bryce Harper's college coach may become a bird-dog scout for the Nationals, Jon Heyman writes."
• "That Dog can see, hear, smell more deer than l0 people can and never barks, kinda whins a tad when he really sees the deer, but stands still like a bird-dog."
• "This environment of secrecy is compounded by the general lack of information about matters atomic, except if someone has the time and resources to file Freedom of Information requests and generally have the skill sets and patience of a top-notch bird-dog private investigator."