bran·chi·al 
(brăngkē-əl)
(brăngkē-əl)adj.
Of, relating to, or resembling the gills of a fish, their homologous embryonic structures, or the derivatives of their homologous parts in mammals: branchial muscles.
- 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
- knock/throw for a loop
- knock together
- knock up
- knockwurst