| 1. | to dissolve out soluble constituents from (ashes, soil, etc.) by percolation. |
| 2. | to cause (water or other liquid) to percolate through something. |
| 3. | (of ashes, soil, etc.) to undergo the action of percolating water. |
| 4. | to percolate, as water. |
| 5. | the act or process of leaching. |
| 6. | a product or solution obtained by leaching; leachate. |
| 7. | the material leached. |
| 8. | a vessel for use in leaching. |
