1. a tree or shrub with very light, cork-like wood
2. the light wood from such a tree, used for making floats and other buoyant objects

Examples

• The fisherman carved his bobbers from corkwood.
• Corkwood trees grow naturally in wetland areas.
• The craft store sold small blocks of corkwood for model making.
• Native Americans traditionally used corkwood for making lightweight canoe parts.
• The corkwood’s buoyant properties made it ideal for life preservers.
• She collected pieces of corkwood that had washed up on the shore.