from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Nautical Within the hull or toward the center of a vessel.
  • adj. Relatively close to the fuselage of an aircraft: the inboard engines.
  • n. Nautical A motor attached to the inside of the hull of a boat.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. within a ship
  • adj. nearer the hull (as opposed to outboard)
  • n. an engine located within the hull of a ship
  • n. a boat with such an engine
  • v. to discount a product to sell a service.

from the GNU version of the Collaborative International Dictionary of English

  • Inside the line of a vessel's bulwarks or hull; the opposite of outboard
  • From without inward; toward the inside.

from The Century Dictionary and Cyclopedia

  • Within the hull or interior of a ship or boat; also, in the middle part of the hold of a ship: as, stow the freight well inboard.
  • Within the rail or bulwarks; toward or nearer to the center: as, to draw the sail inboard.
  • In the interior of a ship or boat; being within the hull or hold: as, inboard cargo: opposed to outboard.
  • Not projecting over the rail or bulwarks: as, an inboard spar or sail.
  • In mech., toward the inside; toward the main center or center-line: as, an inboard stroke of the piston; an inboard bearing.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. located within the hull or nearest the midline of a vessel or aircraft


Sorry, no etymologies found.


  • "Aviation Week," which is a weekly journal here in the United States reporting today that air force tracking, ground-based air force tracking cameras, at about 60 seconds before the plane exploded -- in other words when it was still largely intact in the skies over Arizona and going into Texas, that these cameras showed serious structural damage to the inboard, what's called the inboard leading edge of the left wing.

    CNN Transcript Feb 7, 2003

  • And then you have the nose gear up in front inboard, meaning it's on the -- not the outside tire.

    CNN Transcript Sep 2, 2008

  • Having visual experiences is something that apparently happens inboard of my eyes, somewhere in between my eyes and my voice when I tell you what I see.4

    In the Valley of the Shadow

  • The result was a 21 foot fiberglass inboard/outboard boat laying in the middle of the ramp!

    Tales From The Boat Ramp

  • This time, though we were continually half-buried, there was no trough in which to be swept, and we drifted squarely down upon the upturned boat, badly smashing it as it was heaved inboard.

    Chapter 17

  • The spray drove inboard in a continuous stinging shower, and Frona at once fell to work with the bailing-can.


  • Their movements perceptibly quickened under his coaching, and as the boat swung inboard I was sent forward to let go the jibs.

    Chapter 25

  • The deck was continually awash with the sea which came inboard over the rail and through the scuppers.

    Chapter 39

  • Housed in the aft were a pair of massive inboard engines.

    Gideon’s war

  • Within weeks, investigators with the Australian Transport Safety Bureau determined that a burst engine disk on the left inboard engine was the result of a manufacturing defect in the production of the Rolls Royce Trent 900 engine.

    Christine Negroni: Australians Simulate Airbus 380 Near Disaster


Log in or sign up to get involved in the conversation. It's quick and easy.