coursing n 1: hunting with dogs (usually greyhounds) that are trained to chase game (such as hares) by sight instead of by scent
Course \Course\, v. t. [imp. & p. p. {Coursed} (k?rst)); p. pr. & vb. n. {Coursing}.] 1. To run, hunt, or chase after; to follow hard upon; to pursue. [1913 Webster] We coursed him at the heels. --Shak. [1913 Webster] 2. To cause to chase after or pursue game; as, to course greyhounds after deer. [1913 Webster] 3. To run through or over. [1913 Webster] The bounding steed courses the dusty plain. --Pope. [1913 Webster]
Coursing \Cours"ing\ (k?rs"?ng), n. The pursuit or running game with dogs that follow by sight instead of by scent. [1913 Webster] In coursing of a deer, or hart, with greyhounds. --Bacon [1913 Webster]