culling(redirected from biological culling)
Also found in: Medical.
tr.v. culled, cull·ing, culls
1. To pick out from others; select.
2. To gather; collect.
3. To remove rejected members or parts from (a herd, for example).
Something picked out from others, especially something rejected because of inferior quality.
[Middle English cullen, from Old French cuillir, from Latin colligere; see collect1.]
1. (Environmental Science) the reduction of the size of an animal population
2. (Agriculture) killing