To Poach

1. (transitive) To cook something in simmering liquid.
2. (intransitive) To be cooked in simmering liquid
3. To become soft or muddy.
4. To make soft or muddy.
5. (obsolete) To stab; to pierce; to spear, as fish.
6. (obsolete) To force, drive, or plunge into anything.
7. (obsolete) To begin and not complete