1) a pump. Exm.
2) when the paths after rain are almost dry, they are said to be plump. Kent.
·adj To give a plumper. ·see <<Plumper>>, 2. II. Plump (·adj & ·v) Directly; suddenly; perpendicula...
Webster's Dictionary of the English Language
Fat, full, fleshy. Plump in the pocket; full in the pocket. To plump; to strike, or shoot. I'll give...
Dictionary of The Vulgar Tongue by Francis Grose
I am not plump currant; I am out of sorts. ...