sieve means: Fine mesh strainer. (in Cooking Dictionary)

What else does sieve mean?

You can strain liquids from foods using a strainer, sieve or fine mesh. (in Cooking Dictionary)

Utensil made of metal mesh, closely perforated plastic or wire, for straining and sifting or ricing or puréeing. (in Merlin Dictionary)

Use a sieve to sift. (in Merlin Dictionary)