Wiktionary
n. (context baseball English) The outfield defensive player that stands to the right of the field as viewed from home plate.
WordNet
n. the person who plays right field
Wikipedia
A right fielder, abbreviated RF, is the outfielder in baseball or softball who plays defense in right field. Right field is the area of the outfield to the right of a person standing at home plate and facing towards the pitcher's mound. In the numbering system used to record defensive plays, the right fielder is assigned the number 9.
Usage examples of "right fielder".
To our infinite surprise, however, the right fielder ran with fleetness that made our own Deerfoot seem slow, and he got under the ball and caught it.
Up steps Arthur Dorr, the Bangor right fielder, who wears the world's oldest pair of high-top sneakers and has not had a hit all day.
Actually Dolph was a pretty steady glove man most of the time, even if he didn't have much of an arm for a right fielder.
To their left, not too far away, stood the immobile figure of the right fielder.
But the simple truth is that priests are not saints, but as human as a plumber, a right fielder, or a psychiatrist.
When she gave the biscuit a toss, Henry nipped it out of the air the way a veteran right fielder snags a pop-up.
The right fielder only had to jog a couple of steps to the side to catch my fly ball.