Meaning of water boy

wa'ter boy"

Pronunciation: [key]
  1. a person who carries a canteen or bucket of drinking water to those too occupied to fetch it, as to soldiers, laborers, or football players.
  2. a person who sees that livestock is supplied with water, as by filling water troughs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.