Borer
# Borer

Borer may refer to:

## Insects

* Stem borer
* Twig borer
* Shoot borer

### Moths

* Chilo (moth)
* Diatraea grandiosella, southwestern corn borer
* Podosesia syringae, ash borer or lilac borer
* Melittia cucurbitae, squash vine borer, a pest of cucurbit vines
* Ostrinia, pests of maize and other plants

### Beetles

* Cosmopolites sordidus (banana stemborer), a true weevil in genus Cosmopolites
* Ptinidae, a family of beetles, especially:
   * Anobium punctatum, common furniture borer
* Woodboring beetles

## Devices

* Cork borer, a tool of the chemistry laboratory
* Raise borer, a mining machine
* Instep borer, an instrument of torture
* Tunnel boring machine
* Reamer, a rotary cutting tool used in metalworking
* Drill

## Other

* Hotheaded Naked Ice Borer, a fictional mammal
* Borer Lake, United States
* בורר ("borer"), Sorting/Purification, one of the activities prohibited in Jewish law on Shabbat
