pound covert
Webster's Dictionary (GCIDE)
Pound \Pound\, n. [AS. pund an inclosure: cf. forpyndan to turn away, or to repress, also Icel. pynda to extort, torment, Ir. pont, pond, pound. Cf. Pinder, Pinfold, Pin to inclose, Pond.]
1.An inclosure, maintained by public authority, in which cattle or other animals are confined when taken in trespassing, or when going at large in violation of law; a pinfold. --Shak. [1913 Webster]
2.A level stretch in a canal between locks. [1913 Webster]
3.(Fishing) A kind of net, having a large inclosure with a narrow entrance into which fish are directed by wings spreading outward. [1913 Webster]
Pound covert, a pound that is close or covered over, as a shed.
Pound overt, a pound that is open overhead. [1913 Webster]