Sky The night sky over Slovenia in July Cirriform clouds and a quarter Moon in the blue daytime sky over Germany The sky is an unobstructed view upward from the surface of the Earth. It includes the …

SKY definition: 1. the area above the earth, in which clouds, the sun, etc. can be seen: 2. the sky in a…. Learn more.

Jul 15, 2025 · Uncover the full meaning of "sky"—from its Old Norse roots to modern usage. This entry provides definitions, etymology, real-world examples, and common idioms. Perfect for language …

The meaning of SKY is the upper atmosphere or expanse of space that constitutes an apparent great vault or arch over the earth. How to use sky in a sentence.

There are 16 meanings listed in OED's entry for the noun sky, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

8 meanings: 1. the apparently dome-shaped expanse extending upwards from the horizon that is characteristically blue or grey.... Click for more definitions.

Define sky. sky synonyms, sky pronunciation, sky translation, English dictionary definition of sky. n. pl. skies 1. The expanse of air over any given point on the earth; the upper atmosphere as seen from …

Sky - Definition, Etymology, and Significance Definition Sky refers to the expanse of air over the earth where clouds form, and where the sun, moon, and stars appear to an observer on the ground. It is …

The IAU OAE glosary contains definitions of astronomical terms that will often appear in educational contexts. Definitions are written by astronomers and reviewed by astronomers and teachers to …

SKY meaning: 1 : the space over the Earth where the sun, moon, stars, and clouds appear; 2 : to begin flying

Definition of sky noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jun 22, 2024 · Sky (noun): The region of the atmosphere seen from the Earth's surface, where clouds, the sun, moon, stars, and planets appear: Example: "The sky was clear and blue." Example: "They …

Feb 21, 2025 · Definition of sky in the Definitions.net dictionary. Meaning of sky. What does sky mean? Information and translations of sky in the most comprehensive dictionary definitions resource on the …

sky: The expanse of air over any given point on the earth; the upper atmosphere as seen from the earth's surface.

Sky definition: The expanse of air over any given point on the earth; the upper atmosphere as seen from the earth's surface.

sky meaning, definition, what is sky: the space above the Earth where clouds a...: Learn more.

sky definition: the atmosphere visible from Earth with celestial bodies. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "mackerel sky", …

Rayleigh scattering defines the amount of scattering of light rays. Blue light scatters much more than red, which is why the sky appears blue on a clear day. Depending on the time of day, the sky may …

SKY meaning: 1. the area above the earth, in which clouds, the sun, etc. can be seen: 2. the sky in a…. Learn more.

Astronomy news and interactive guides to the night sky from In-The-Sky.org