A guessing game played on grid paper; see Battleship (game).
A large capital warship displacing thousands to tens of thousands of tons, heavily armoured and armed with large-caliber guns; now obsolescent and replaced by smaller vessels with guided missiles.
A non-functional rocket stage, used for configuration and integration tests.
A penny with a tail on both sides, used for cheating.
An animal or thing of grey colour, such as a horse, badger, or salmon.
an extraterrestrial humanoid with grayish skin, bulbous black eyes, and an enlarged head.
An achromatic colour intermediate between black and white.
In the International System of Units, the derived unit of absorbed dose of radiation (radiation absorbed by a patient); one joule of energy absorbed per kilogram of the patient's mass. Symbol: Gy
To cause to become gray.
To turn progressively older, alluding to graying of hair through aging (used in context of the population of a geographic region)
To become gray.
To give a soft effect to (a photograph) by covering the negative while printing with a ground-glass plate.
Gray-haired.
Old.
Having a color somewhere between white and black, as the ash of an ember.
Relating to older people.
Having an indistinct, disputed or uncertain quality.
Dreary, gloomy.