GEE v. 2 definitions
To turn to the off side, or from the driver (i.e., in the United States, to the right side); -- said of cattle, or a team; used most frequently in the imperative, often with off, by drivers of oxen, in directing their teams, and opposed to haw, or hoi. [Written also jee.]
MONKEY n.
The weight or hammer of a pile driver, that is, a very heavy mass of iron, which, being raised on high, falls on the head of the pile, and drives it into the earth; the falling weight of a drop hammer used in forging.