as a noun, 'try' refers to an effort or attempt to accomplish something.
'try' as a noun is often used in contexts where someone's effort or attempt is being acknowledged, even if the outcome isn't successful.
I appreciate your try, even if it didn't work out.
It was a good try, but we'll need to think of another solution.
Each try brings us closer to success.
in rugby, a 'try' is also a term for a way of scoring points, where the ball is grounded over the opponents' goal line. Don't confuse 'try' (noun) with 'trial' (noun). While both can refer to attempts or tests, 'trial' has additional meanings, such as a formal examination of evidence in a court.
as a verb, 'try' primarily means to make an attempt or effort to do something. It can also mean to test something to see if it's suitable or to put someone on trial in a court of law.
'try' can be used with an infinitive (to + verb) or with a gerund (verb + -ing) to indicate the action being attempted. It can also be used in various tenses and voices.
I will try to finish the project by tomorrow.
She wants to try skiing for the first time.
They tried him for theft in the county court.
'try to' and 'try and' are often used interchangeably, but 'try to' is generally considered more grammatically correct. 'Try out' is a phrasal verb meaning to test something, like trying out for a sports team or trying out a new recipe. 'Try on' means to test the fit of clothing or accessories.