A ghost, goblin, or other hostile supernatural creature.
An unidentified aircraft, especially as observed as a spot on a radar screen and suspected to be hostile.
A standard of performance set up as a mark to be aimed at in competition.
A bugbear: any terrifying thing.
Synonym of bandit: an enemy aircraft.
A score of one over par on a hole.
A bog-standard (representative) specimen taken from the center of production.
A swim or bathe; a bath.
To make a bogey.
To swim; to bathe.
A draconic creature, similar to a wyvern.
A wingless serpentine dragon having two arms.