static line
noun Military.
a line attached to a parachute pack and to a cable in an aircraft for the purpose of automatically opening the parachute after it is dropped.
Origin of static line
First recorded in 1925–30
Words nearby static line
British Dictionary definitions for static line
static line
noun
a line attaching the pack of a parachute to an aircraft, so that the parachute is opened when it has fallen clear of the aircraft