a signal indicating the position of a railway switch.

Railways. A signal consisting of a pivoted arm that can be in either of two positions, depending on the message to be conveyed. Now chiefly historical…

a signal preceding the home signal (home signal n.) giving warning of the latter's setting; = distant signal n. at distant, adj. n.compounds 2.

†(a) Telegraphy the telegraphic signal sent from one's own equipment (obsolete); (b) Railways a stop signal marking the end of a section of track…

A blocking up. block system n. on Railways a system by which the line is divided into short sections, having at the end of each a signal, and a…

a low home signal (see home signal n. (b) at home, n.1 adj.compounds 2).

a signal preceding the home signal giving warning of the latter's setting; also called distance signal; cf. home signal n.

a lamp or lantern fixed on a railway switch to indicate which track is open.

Railways. Short for distant signal n.

The device consisting of two frames containing respectively red and green glass worked at night in connection with a railway semaphore.

= switch-lantern n.

transferred. Applied to contrivances of the shape of a banjo: see quots.

Railways colloquial. A mechanical signal; a signal post.