(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).

(UK, road transport) An area of road surface marked with cross hatching as a means of separating traffic or reducing speed, or to provide a safe area to turn right across approaching traffic.

plural of ghost island

A barrier intended to keep one group (usually against their will) separate from another.

A fairground attraction in which participants ride through a haunted house in a railcar.

Any of a group of frogs in the family Heleophrynidae, which live in mountain streams in South Africa.

(UK, informal) The building at 30 St Mary Axe, a distinctively-shaped skyscraper in London, England

(Canada) An unmarked police car or an unmarked vehicle used as a decoy by police.

Initialism of general headquarters. / Initialism of general health questionnaire.

(India) A descending path or stairway to a river; a ford or landing-place. / (India) A mountain range. / (India) A mountain pass. / (Caribbean) A steep ravine leading to the sea.