English Explanatory Dictionary

ball signal

English dictionary entry

Meanings

noun
  1. A kind of mechanical signal used on early American railroads, consisting of wooden balls, painted various colors, that were hoisted up and down a pole using a rope and pulley.

Word forms

ball signal ball signals
This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on B Russian dictionary Dahl dictionary