interlocking
/ˈɪntɚlˌɑkɪŋ/
Word Rarity
Rare
Frequency: Zipf frequency 2.98 in modern English
19
Scrabble Score
12
Letters
4
Syllables
10
Unique Chars
Meaning
noun
An arrangement of signal apparatus that prevents conflicting movements through a set of intersecting tracks, such as junctions or crossings.
Example Sentences
- "All societies have three key interlocking elements: Religion, economics, and politics."
- "There was still no attempt to arrange interlocking between points and signals; that came later. In 1856, John Saxby carried out the principle involved in interlocking—the prevention of signals and points being in conflicting positions—and erected apparatus to do that at this same junction."
- "In addition to the usual interlocking between conflicting signal and point levers achieved by electric locks, track circuits, when occupied, hold signals governing entry to the relevant line at danger; [...] The up main through inner home signal was held at danger by interlocking, because the track circuits of a conflicting route ahead of it were occupied by another train [...]."