Abaft/əˈbæft/ Definition 1 of 2Pro Tip 1/3Nautical Term Primarily used in maritime contexts to describe locations on a vessel. The lifeboats are stored abaft, near the ship's stern. Pro Tip 2/3Understanding 'Abeam' 'Abaft the beam' refers to an angle relative to the ship’s middle, not directly at the back. The other ship was sighted just abaft the beam. Pro Tip 3/3Used Onboard Use 'abaft' to give directions when you're on a ship or discussing ship features. The dining area is located directly abaft the navigation room.