Current local time in Helena, lewis_and_clark County, Montana, Mountain Time Zone - daylight saving time change dates 2018 Local Time in Helena, MT 7:45:08 AM, Monday 15, January 2018 MST AM/PM 24 hours
2. trench warfare-a type of armed combat in which the opposing troops fight from trenches that face each other; instead of the war ending quickly, it became bogged down in trench warfare. armed combat, combat-an engagement fought between two military forces. Translations.
1. A deep furrow or ditch. 2. A long narrow ditch embanked with its own soil and used for concealment and protection in warfare. 3. A long, steep-sided valley on the ocean floor. v. trenched, trenchÂ·ing, trenchÂ·es. v. tr. 1. To dig or make a trench or trenches in (land or an area, for example).