sieve
     n : a strainer for separating lumps from powdered material or
         grading particles [syn: {screen}]
     v 1: examine in order to test suitability; "screen these
          samples"; "screen the job applicants" [syn: {screen}, {screen
          out}, {sort}]
     2: check and sort carefully; "sift the information" [syn: {sift}]
     3: separate by passing through a sieve or other straining
        device to separate out coarser elements; "sift the flour"
        [syn: {sift}, {strain}]
     4: distinguish and separate out; "sift through the job
        candidates" [syn: {sift}]
Source: WordNet® 2.0