(~s)
1.
A ~ is a strong or favourable position from which further advances or progress may be made.
If British business is to have a successful future, companies must establish a firm ~ in Europe.
N-COUNT: oft adj N, N in n
2.
A ~ is a place such as a small hole or area of rock where you can safely put your foot when climbing.
He lowered his legs until he felt he had a solid ~ on the rockface beneath him.
N-COUNT: oft adj N, N on n