As lawn and garden equipment goes, none seems to have as many names as the noble weed trimmer — aka weed wacker, weed eater, weed cutter, string trimmer, strimmer or, in some circles, brush trimmer ...

String trimmers (also commonly called weed whackers) are the tool of choice to cut high grass along fences, rock walls, and garden beds. That’s because they’re designed to get into tight areas where ...