The act of choosing; selection.
"The final choice for captain was made by a unanimous vote among the team members."
In plain English: There is no noun form of the word choose because it is only used as a verb to mean picking something.
"You can pick your own choice from the menu."
Usage: Choose is strictly a verb and has no valid usage as a noun in standard English. If you need to refer to the act of selecting something, use the noun forms choice or selection instead.
see fit or proper to act in a certain way; decide to act in a certain way
"She chose not to attend classes and now she failed the exam"
To pick; to make the choice of; to select.
"She carefully chose the red dress from the rack because it matched her shoes perfectly."
In plain English: To pick one thing from several options.
"I will choose the chocolate cake instead of the apple pie for dessert."
Usage: Use "choose" when you actively decide between options or select something from available alternatives. It describes the act of making a specific selection rather than just happening upon something by chance.
The binomial coefficient of the previous and following number.
"You cannot use the word choose to mean a mathematical formula; in combinatorics, C(n,k) represents the binomial coefficient of n taken k at a time, not a simple choice between two numbers."
The word "choose" comes from the Old English verb ċēosan, which originally meant to taste or try something before selecting it. Over time, this sense of tasting evolved into its current meaning of making a selection or decision.