pen2
n. Small enclosure for cows, sheep, poultry, etc. v. (-nn-) (often foll. By in, up) enclose or shut up, esp. In a pen. [old english]
n. Small enclosure for cows, sheep, poultry, etc. v. (-nn-) (often foll. By in, up) enclose or shut up, esp. In a pen. [old english]