Expugnable

In a military sense, a term for that which is capable of being taken by a ault, forced, or conquered. … Extend. — A term peculiarly applicable to light infantry movements when the files are loosened and the front of the line extended for the purpose of skirmishing. Also an arm signal made by sweeping the arm, fully extended, slowly and horizontally acro the body, swaying and turning the body with the sweep of the arm.