D defs.my
Entry 1 sense Webster, 1913

Pharos

/fĕr'-ōzˌ/ · Pha·ros · IPA /ˈfɛəɹɒs/
01 n. A lighthouse or beacon for the guidance of seamen.
  1. 1.
    A lighthouse or beacon for the guidance of seamen.
    “He . . . built a pharos, or lighthouse.” Arbuthnot.