- a tool for boring or drilling
- a person whose work is to bore holes
- an insect or its larval worm that bores holes in trees, fruit, etc.
- a shipworm
- A tool used for drilling.
- An insect or insect larva, such as a corn borer, that bores chiefly into the stems and trunks of plants.
- Any of various mollusks that bore into soft rock or wood.