1778 J. Murray Impartial Hist. Present War Amer. I. xiii. 565 Hearing a gun from our battery and signal post..and observing the signal for an enemy, I ordered Young's battery..to repeat it.

1815 J. Dodson Rep. High Court Admiralty 1 19 Notice was given from the Spanish signal-post that an enemy was hovering on the coast.

1899 Autumn Maneuvers 1891 (U.S. War Dept.) 87 At 9.30 a signal post was established on Melbury Hill which reported there was no enemy on Charlton Down.

1922 R. S. Sutliffe Seventy-first N.Y. in World War 136 The mirror, flashing in the sun, caught Jerry's eye and what went through his mind we shall never know; perhaps he thought it an advance signal post.

1998 F. M. Mallison Civil War on Outer Banks vi. 108 He established a signal post on the third floor piazza of the Atlantic Hotel in Beaufort.

1804 Times 24 Feb. 2/5 Admiral Patten has adopted the plan of hoisting a red and white pendant upon the Dock-yard signal-post.

1848 K. H. Digby Compitum I. 15 The notices, the signal-posts as it were, in life's forest.

1906 Westm. Gaz. 27 Feb. 7/2 The train-stop at the signal-post actuated the continuous brake, and thereby..brought the vehicle to a standstill.

1978 G. M. Kichenside & A. Williams Brit. Railway Signalling (ed. 4) i. 10 A semaphore signal with a balanced arm which was connected through a linkage arrangement to the spectacle casting, in turn pivoted on the outside of the signal post.

2001 P. J. G. Ransom Snow, Flood & Tempest x. 148 The wires were in effect signal wires, holding off the semaphore arms on nearby signal posts.