world meaning
EN
[wɝld] [wɜːld] [-ɜː(ɹ)ld] 
CA WWorld
- World is a common name for the whole of human civilization, specifically human experience, history, or the human condition in general, worldwide, i.e. anywhere on Earth or pertaining to anywhere on earth.
- In a philosophical context it may refer to:
- the whole of the physical Universe, or
- an ontological world (see world disclosure).
- In a theological context, world usually refers to the material or the profane sphere, as opposed to the celestial, spiritual, transcendent or sacred.
- World history is commonly understood as spanning the major geopolitical developments of about five millennia, from the first civilizations to the present.
EN World 
- NounPLworlds
- (with “the”) Human collective existence; existence in general.
- There will always be lovers, till the world’s end.
- The Universe.
- (uncountable, with “the”) The Earth.
- People are dying of starvation all over the world.
- (countable) A planet, especially one which is inhabited or inhabitable.
- Our mission is to travel the galaxy and find new worlds.
- An individual or group perspective or social setting.
- In the world of boxing, good diet is all-important.
- (informal) A great amount.
- a world of difference; a world of trouble; a world of embarrassment
- (archaic) Age, era.
- Thy kingdom is a kingdom of al worlds: and thy dominion in al generation and generation.
- (with “the”) Human collective existence; existence in general.
- VerbSGworldsPRworldingPT, PPworlded
- To consider or cause to be considered from a global perspective; to consider as a global whole, rather than making or focussing on national or other distinctions; compare globalise.
- To make real; to make worldly.
- To consider or cause to be considered from a global perspective; to consider as a global whole, rather than making or focussing on national or other distinctions; compare globalise.
- More Examples
- Used in the Middle of Sentence
- The world airline fleet of long-range aircraft consists almost entirely of wide-bodies.
- Among the rest by fortune overthrowne, I am not least, that most may waile her fate: My fame and brute, abroad the world is blowne, Who can forget a thing thus done so late?
- I think I'll just sit under this tree and watch the world go by.
- Used in the Beginning of Sentence
- World leaders have repeatedly stated that we must act on climate change.
- World record! 5 GHz WiFi connection spans 189 miles. [1]
- Used in the Ending of Sentence
- King's Cross Station proved to be the starting point of a journey that took me around the world.
- YCL, give ‘em hell! - from an article in the People's Weekly World.
- The madman obtained a soapbox which he stood on at the corner of Broadway and Wall street, to shout out his prophesy of the end of the world.
- Used in the Middle of Sentence
Definition of world in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Singularia tantum
- Uncountable nouns
- Uncountable nouns
- Countable nouns
- Verbs
- Nouns
- en worldly
- en worlds
- en world-wide
- en worldliness
- en worldwide
Source: Wiktionary
Grammatically, this word "world" is a noun, more specifically, a countable noun and a singularia tantum. It's also a verb.