1. dry, decayed wood that easily catches fire and burns slowly, used as tinder
2. wood that has become soft and crumbly due to fungal decay

Examples

• The campers gathered touchwood to help start their fire.
• He struck a spark into the dry touchwood.
• The old fence post was nothing but touchwood after years of moisture.
• She found some touchwood in the hollow of the dead tree.
• The survivalist always carried touchwood in his pack.
• The fungus had turned the fallen log into crumbly touchwood.