1.
Force or drive down; defeat or subdue. For example, "And finally to beat down Satan under our feet" (The Book of Common Prayer, 1552).
[c. 1400]
2.
Strike violently, as in the The sun kept beating down on us all day long. [Mid-1800s]
3.
beat someone down. Make someone lower a price, as in He's always trying to beat us down. Economist Jeremy Bentham used this idiom in 1793: "Thus monopoly will beat down prices." [
Slang; late 1700s]