A gun without serial numbers that cannot be easily tracked, especially a home-made gun built with non-registered, partially finished or 3D printed components.

(Canada) Synonym of spirit moose (a white moose) / A moose that has lost 80% or more of its fur from excessive grooming or rubbing due to parasites (particularly ticks), revealing pale skin underneath.

(colloquial) wrong-way driver

Any primitive fish of the order Chimaeriformes

plural of ghost shark

plural of ghost bump

A goosebump, especially when caused by anything ghostly or ghastly.

(Christianity, rare) An epithet of the Holy Spirit.

plural of ghost corridor

A secondary means of egress connecting low-security laboratories through connecting doors, in addition to the main corridor.