cull

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To pick out from others; select.
2. v. To gather; collect.
3. v. To remove rejected members or parts from (a herd, for example).
4. n. Something picked out from others, especially something rejected because of inferior quality.

Century Dictionary and Cyclopedia

1. To gather; pick; collect.
2. To pick out; select or separate one or more of from others: often with out.
3. To inspect and measure, as timber.
4. n. Something picked or culled out; specifically, an object selected from among a collection or aggregate, and placed on one side, or rejected, because of inferior quality: usually in the plural: as In live-stock breeding, inferior specimens, unfit to breed from. In lumbering, inferior or defective pieces, boards, planks, etc.
5. A Middle English form of kill.
6. A variant of coll.
7. n. A fool; a dupe.
8. n. A local English (Gloucestershire) name for the fish miller's-thumb.

Wiktionary

1. v. To pick or take someone or something (from a larger group).
2. v. To gather, collect.
3. v. To select animals from a group and then kill them in order to reduce the numbers of the group in a controlled manner.
4. v. nonstandard, euphemistic To kill (animals etc).
5. v. To lay off in order to reduce the size of, get rid of.
6. n. A selection.
7. n. An organised killing of selected animals.
8. n. A piece unfit for inclusion within a larger group; an inferior specimen.
9. n. slang, dialectal A fool, gullible person; a dupe.

GNU Webster's 1913

1. v. To separate, select, or pick out; to choose and gather or collect.
2. n. A cully; a dupe; a gull. See cully.

WordNet 3.0

1. n. the person or thing that is rejected or set aside as inferior in quality
2. v. look for and gather
3. v. remove something that has been rejected