Meaning of anchor light

an'chor light"

Pronunciation: [key]
— Naut. Naut.
  1. a 32-point light, visible from at least two miles away, shown at night near the bow and not more than 20 ft. (6 m) above the deck of a vessel lying at anchor. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.