Definition of trail arms
: a position in military drill in which a rifle butt is raised a few inches from the ground and the muzzle inclined forward so that the barrel makes an angle of about 30 degrees with the vertical —often used as a command
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of trail arms
from the imperative phrase trail arms
Seen and Heard
What made you want to look up trail arms? Please tell us where you read or heard it (including the quote, if possible).