cross bit

1. 1.

   a rock drill having cruciform cutting edges; used in mining

   Broaderbore bit

Questions about cross bit

What does cross bit mean?

cross bit means "a rock drill having cruciform cutting edges; used in mining".

Is cross bit a common word?

cross bit is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.