See 3d Leech.
- To remove soluble or other constituents from by the action of a percolating liquid.
- To empty; drain: "a world leached of pleasure, voided of meaning” ( Marilynne Robinson).
- To be dissolved or passed out by a percolating liquid.
- The act or process of leaching.
- A porous, perforated, or sievelike vessel that holds material to be leached.
- The substance through which a liquid is leached.