snag n. in firefighting, a standing dead or burned tree. Etymological Note: This is directly related to two older senses: ‘a branch stump on a trunk’ and ‘a dead tree or branch, in the bottom of a body of water, that interferes with navigation or recreation.’ (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
A firefighter named Steve in Newport News, Virginia, wonders why in his line of work, and for some police, certain additional kinds of days off after long unbroken shifts are called Kelly days, Kelly shifts, or Kelly time. The term most likely comes...