a gambler who throws dice in the game of craps
"The shooter rolled double sixes on his first throw, causing the other players to cheer loudly."
(sports) a player who drives or kicks a ball at the goal (or a basketball player who shoots at the basket)
"The star shooter scored three baskets before halftime."
a professional killer who uses a gun
"The police tracked down the notorious shooter responsible for three hit jobs last year."
Someone who shoots something; a gunner, archer etc.
"The marksman was an excellent shooter who hit every target downrange."
In plain English: A shooter is someone who throws, kicks, or fires something at another person or object with the goal of hitting them.
"The local basketball team needs another good shooter to score more points."
Usage: A shooter refers to any person skilled at firing weapons or projectiles, such as an athlete in basketball or soccer. Use this term specifically when highlighting the individual's action of shooting rather than just their role on a team.
A surname.
"Mr. Shooter arrived at the meeting on time despite the heavy traffic."
The word shooter comes from the Old English sċēotere, which originally meant a person who shoots. It traveled into Middle and then Modern English with this same meaning of someone who fires projectiles.