from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Baseball A player's total number of bases reached on hits divided by official times at bat, expressed as a three-digit decimal and used as a measure of batting power. Also called slugging average.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A statistic which compares the total number of bases achieved by a batter over that batter's number of at bats.
Sorry, no etymologies found.