What is the meaning of the word "abaft"?

Definitions:

  1. In or behind the stern of a ship. copy to clipboard adverb
    • A line of clouds was spotted abaft by the starboard lookout. copy to clipboard
    • The wind was abaft which made the ship glide faster towards our destination. copy to clipboard
    • The yacht has a shower just abaft the galley. copy to clipboard

Synonyms: