Examples of “periscope” in a Sentence

noun A tube-shaped viewing device with mirrors or prisms that lets someone see over or around an obstacle.

• The submarine crew raised the periscope to scan the surface.

verb To raise up and look around cautiously, in the manner of a periscope.

• Thousands of ungainly black-beaked heads would periscope and freeze in the direction of the approaching intruder. — National Geographic Magazine: Volume 99 (1951)
• Her black and white head suddenly popped out from under the covers and periscoped around. — Jim Moran, The Sentinel: A Wildfire Story (2010)
• He periscoped over the fence to see who was there.