buncher

A person who bunches.

Something that bunches or causes to bunch.

(manufacturing) A machine that twists strands together during the manufacture of metal wire; a strander.

(electronics, physics) A circuit that causes electrons or other charged particles in a particle beam to group together.

An illegitimate supplier of laboratory animals who obtains the animals by kidnapping pets or illegally trapping strays.

(military, RAF, World War II) A ground-based radio transmitter, configured within a system to guide aircraft to their allocated airfields.