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See also: A board



From Middle English abord, from a- (on) + bord (board, side of a ship). (Equivalent to a- +‎ board.)


  • (UK) IPA(key): /əˈbɔːd/
  • (US) IPA(key): /əˈbɔɹd/
  • (file)
Sailors aboard the USS O'Kane.


aboard (not comparable)

  1. On board; into or within a ship or boat; hence, into or within a railway car. [First attested from around (1350 to 1470).][1]
    We all climbed aboard.
  2. On or onto a horse, a camel, etc. [First attested in the late 19th century.][1]
    To sling a saddle aboard.
  3. (baseball) On base. [First attested in the mid 20th century.][1]
    He doubled with two men aboard, scoring them both.
  4. Into a team, group, or company. [First attested in the mid 20th century.][1]
    The office manager welcomed him aboard.
  5. (nautical) Alongside. [First attested from around (1350 to 1470).][1]
    The ships came close aboard to pass messages.
    The captain laid his ship aboard the enemy's ship.




  1. On board of; onto or into a ship, boat, train, plane. [First attested around 1350 to 1470.][1]
    • 2012 March 1, William E. Carter, Merri Sue Carter, “The British Longitude Act Reconsidered”, in American Scientist[1], volume 100, number 2, page 87:
      Conditions were horrendous aboard most British naval vessels at the time. Scurvy and other diseases ran rampant, killing more seamen each year than all other causes combined, including combat.
    We all went aboard the ship.
  2. Onto a horse. [First attested in the mid 20th century.][1]
  3. (obsolete) Across; athwart; alongside. [Attested from the early 16th century until the late 17th century.][1]
    • 1591, Edmund Spenser, Virgil's Gnat:
      Nor iron bands aboard The Pontic Sea by their huge navy cast.

Derived terms[edit]


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.


  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 “aboard” in Lesley Brown, editor-in-chief; William R. Trumble and Angus Stevenson, editors, The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford; New York, N.Y.: Oxford University Press, 2002, →ISBN, page 6.