- a 32-point light, visible from at least two miles away, shown at night near the bow and not more than 20 feet (6 meters) above the deck of a vessel lying at anchor.
Also called riding light.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for anchor light
Our anchor-light was trimmed and lighted and hoisted up, and we went below to our tea, or supper, as sailors generally term it.For Treasure Bound
Andrew went below and trimmed the anchor-light; then fastened it firmly to the forestay, and set off across the sands.Johnstone of the Border