paladin gun
n.— «But all three men are in jobs that have great potential for putting them in harm’s way. Charles loads artillery shells in what is known as a paladin gun.» —“Iredell’s brothers in arms” by Jim McNally Mooresville Tribune (Virginia) Apr. 28, 2009. (source: Double-Tongued Dictionary)
Further reading
Skip, a sailing enthusiast from Gainesville, Florida, has been pondering radio protocols, such as the distress signal mayday!, and sécurité, which announces any of various warnings. There’s also pan-pan, repeated three times, a call that...
In 1803, a shy British pharmacist wrote a pamphlet that made him a reluctant celebrity. The reason? He proposed a revolutionary new system for classifying clouds — with Latin names we still use today, like cumulus, cirrus, and stratus. Also: when...