(~s)
1.
A ~ is something that you say, do, or make to show your admiration and respect for someone.
The song is a ~ to Roy Orbison...
He paid ~ to the organising committee...
N-VAR: usu N to n
2.
If one thing is a ~ to another, the first thing is the result of the second and shows how good it is.
His success has been a ~ to hard work, to professionalism...
N-SING: a N, usu N to n, N to n that