From The Collaborative International Dictionary of English v.0.48:
Garget \Garget\, n. [OE. garget, gargate, throat, OF. gargate. Cf. Gorge. The etymol. of senses 2, 3, & 4 is not certain.] 1. The throat. [Obs.] --Chaucer. [1913 Webster]
2. A diseased condition of the udders of cows, etc., arising from an inflammation of the mammary glands. [1913 Webster]
3. A distemper in hogs, indicated by staggering and loss of appetite. --Youatt. [1913 Webster]
4. (Bot.) See Poke. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Poke \Poke\, n. (Bot.) A large North American herb of the genus Phytolacca (Phytolacca decandra), bearing dark purple juicy berries; -- called also garget, pigeon berry, pocan, and pokeweed. The root and berries have emetic and purgative properties, and are used in medicine. The young shoots are sometimes eaten as a substitute for asparagus, and the berries are said to be used in Europe to color wine. [1913 Webster]