Did you mean whistling board?
Definitions
Century Dictionary and Cyclopedia
- n. In railroading, a post or target displayed beside a line as a signal to the engineer to blow his whistle at that point; a whistling-post.
Examples
Sorry, no example sentences found.
Lists
‘whistling-board’ hasn't been added to any lists yet.

Comments
No comments yet...
Log in or sign up to get involved in the conversation. It's quick and easy.