(Buddhism, Chinese folk religion) A type of supernatural being, condemned to desire more than it can consume. Often depicted with large belly and tiny mouth.

A town which has become deserted, usually due to failing economic activity, especially one that still has substantial visible remains.

(sciences) Any spurious results clustered together, outside of normal expected ranges (as in a plot of recorded energy values, with an inexplicable blot, marring the clean expected results).

(Internet) A comment, on a social networking website, that has been deleted, resulting in confusion since the conversation is now incomplete.

(rare, historical) A spirit or spiritual messenger; an angel. / (rare) Any spirit or ghostly messenger.

Alternative form of errand-ghost

(ufology) Any of the rocket- or missile-shaped unidentified flying objects sighted in 1946, mostly in Sweden and nearby countries.

An illusionary technique used in theatres, at funfairs, etc. that uses a plate glass and special lighting techniques to make objects seem to appear or disappear.

plural of ghost gum

Any of various Australian evergreen trees of the genus Corymbia, especially Corymbia papuana.