| SIF | (Norse mythology) wife of Thor and guardian of the home |
|---|---|
| SIF | distinguish and separate out |
| SIF | separate by passing through a sieve or other straining device to separate out coarser elements |
| SIF | check and sort carefully |
| SIF | move as if through a sieve |
| SIF | a household sieve (as for flour) |
| SIF | the act of separating grain from chaff |