an instrument with a meshed or perforated bottom, used for separating coarse from fine parts of loose matter, for straining liquids, etc., especially one with a circular frame and fine meshes or perforations.
a device for separating lumps from powdered material, straining liquids, grading particles, etc, consisting of a container with a mesh or perforated bottom through which the material is shaken or poured
2.
rare a person who gossips and spreads secrets
3.
memory like a sieve, head like a sieve a very poor memory
—vb (often foll by out)
4.
to pass or cause to pass through a sieve
5.
to separate or remove (lumps, materials, etc) by use of a sieve
[Old English sife; related to Old Norse sef reed with hollow stalk, Old High German sib sieve, Dutch zeef]
O.E. sife "sieve," from P.Gmc. *sibi (cf. M.Du. seve, Du. zeef, O.H.G. sib, Ger. Sieb), of unknown origin. Related to sift. The verb is recorded from 1499. Sieve and shears formerly were used in divinations.