rock bolt
noun
A bolt for attaching something to rock; (Mining ) a tensioned rod passing through a bed of rock and anchoring it to the body of rock behind.
Origin
Late 19th century; earliest use found in U.S. Patents.
- leading article
- leading counsel
- leading dog
- leading edge
- leading lady
- leading light
- leading man
- leading note
- leading question
- leading rein
- leading seaman
- leading tone
- lead in one's pencil
- lead nowhere
- lead off
- lead pencil
- lead poisoning
- lead shot
- lead someone a dance (or a merry dance)
- lead someone a merry dance
- lead someone astray
- lead someone by the nose
- lead someone on
- lead someone to the altar
- lead someone up (or down) the garden path