Large has 15 different meanings across 4 categories:
Noun · Adjective · Adverb · Proper Noun
a garment size for a large person
"She had to return her new shirt because she realized it was too small and ordered an extra-large instead."
An old musical note, equal to two longas, four breves, or eight semibreves.
"The medieval scribe marked a large on the staff to indicate that the singer should hold the tone for an incredibly long duration."
"The large is often used to describe something big, but since it is rarely used as a standalone noun in modern English without specific context like "the large" referring to a size category, here is a usage where it functions distinctly as a noun representing a size: When buying shoes, I asked for the large because my feet are wide."
Usage: Do not use "large" as a noun in modern conversation; it is an obsolete musical term for a specific note value that has been replaced by the word "longa." Use "large" only as an adjective to describe something of considerable size.
generous and understanding and tolerant
"a heart big enough to hold no grudges"
"that's very big of you to be so forgiving"
"a large and generous spirit"
"a large heart"
"magnanimous toward his enemies"
having broad power and range and scope
"taking the large view"
"a large effect"
"a large sympathy"
Of considerable or relatively great size or extent.
"The large crowd spilled out of the stadium and blocked every street in the downtown area."
In plain English: Large means something is very big or takes up a lot of space.
"The large elephant stood in the middle of the zoo enclosure."
Usage: Use "large" to describe something that has considerable physical size, such as a large room or a large animal. It applies to objects, quantities, and groups where the dimensions or numbers are notably greater than average.
at a distance, wide of something (as of a mark)
"He missed the bullseye by a large margin because his aim was so loose."
Before the wind.
"The sailboat adjusted its course to present a large surface area before the strong wind so it could catch more power."
In plain English: Large means very big when used to describe how much of something there is.
"She lives large in a small house."
Usage: The word "large" is an adjective and cannot function as an adverb in standard English; do not use it to modify verbs or other adjectives even when describing direction relative to the wind. Instead, use prepositional phrases like "upwind" or "before the wind" to convey that meaning correctly.
A surname.
"My neighbor's last name is Large, even though he isn't particularly big."
The word "large" entered English from Old French and Latin, where it originally meant abundant or plentiful. It eventually became the standard term for size, largely replacing older Middle English words like stoor and muchel.