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)