saw
n.— «Brooker manned the .50-caliber machine gun while Sgt. Patrick Hock of Port Orchard operated the M249s, also known as “saws.”» —“Assertive driving is road to survival for Humvees” by Adam Lynn in Balad, Iraq News Tribune (Tacoma, Wash.) July 6, 2004. (source: Double-Tongued Dictionary)
Further reading
A flashlight doesn’t flash. It provides a steady beam of light. So why is it called a flashlight? The earliest versions lit up only briefly before the batteries gave out and required a recharge, so they were literally “flash lights...
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...