buck 2 
(bŭk)
(bŭk)n.
1. A sawhorse or sawbuck.
2. A leather-covered frame used for gymnastic vaulting.
[Alteration (influenced by BUCK1) of Dutch bok, male goat, trestle, from Middle Dutch boc.]
- knock
- knockabout
- knock about
- knock around
- knock around (or about)
- knock back
- knock cold
- knock dead
- knock down
- knockdown
- knockdown-dragout
- knocker
- knock for a loop
- knock it off
- knock-knee
- knock-kneed
- knock off
- knockoff
- knock out
- knockout
- knock out of the box
- knock socks off
- knock (someone's) socks off
- knock someone's socks off
- knock some sense into