shave down
Upper Intermediate (B2)neutral
To carefully make something smaller or thinner, little by little.
"He shaved down the wooden door so it would close properly."
Hear it in context

The Debacle Behind The 2026 Olympic Hockey Rink
Half as Interesting · 5:10
to shave down the top layer, repaint the ice white,

The Existential Elk Theory - The Darkest Philosophical Essay Ever Written
Pursuit of Wonder · 6:40
In a sense, we can shave down and saw off our antlers.