A bunk is a bed that's built above another bed. Twin sisters might argue nightly over who gets the top bunk.

You might find a bunk bed in a child's bedroom or a train's sleeper car. Sometimes the rough bed in a rustic cabin is also called a bunk — and you could say, "I'll bunk in the cabin tonight." Informally, bunk is also nonsense: "How can you believe that bunk?" The bed meaning is short for bunker, while the "foolishness" definition is from bunkum, named for a politician's long, dull speech in 1820, in Buncombe, North Carolina.

Definitions of bunk
  1. noun
    beds built one above the other
    synonyms: bunk bed
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    type of:
    a piece of furniture that provides a place to sleep
  2. noun
    a bed on a ship or train; usually in tiers
    synonyms: berth, built in bed
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    lower, lower berth
    the lower of two berths
    upper, upper berth
    the higher of two berths
    type of:
    a piece of furniture that provides a place to sleep
  3. noun
    a rough bed (as at a campsite)
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    type of:
    a piece of furniture that provides a place to sleep
  4. verb
    provide with a bunk
    “We bunked the children upstairs”
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    type of:
    furnish with a bed
  5. noun
    a message that seems to convey no meaning
    synonyms: hokum, meaninglessness, nonsense, nonsensicality
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    absurdity, absurdness, ridiculousness
    a message whose content is at variance with reason
    amphigory, nonsense verse
    nonsensical writing (usually verse)
    balderdash, fiddle-faddle, piffle
    trivial nonsense
    buzzword, cant
    stock phrases that have become nonsense through endless repetition
    nonsense; foolish talk
    fa la, fal la
    meaningless syllables in the refrain of a partsong
    gibber, gibberish
    unintelligible talking
    incoherence, incoherency, unintelligibility
    nonsense that is simply incoherent and unintelligible
    nonsensical language (according to Lewis Carroll)
    flummery, mummery
    meaningless ceremonies and flattery
    empty talk, empty words, hot air, palaver, rhetoric
    loud and confused and empty talk
    rigamarole, rigmarole
    a set of confused and meaningless statements
    schmegegge, shmegegge
    (Yiddish) baloney; hot air; nonsense
    hooey, poppycock, stuff, stuff and nonsense
    senseless talk
    baloney, bilgewater, boloney, bosh, drool, humbug, taradiddle, tarradiddle, tommyrot, tosh, twaddle
    pretentious or silly talk or writing
    word salad
    jumble of incoherent speech as sometimes heard in schizophrenia
    gibberish and nonsense
    babble, babbling, lallation
    gibberish resembling the sounds of a baby
    blather, blatherskite
    foolish gibberish
    double Dutch
    an incomprehensible talk
    double talk
    deliberately unintelligible gibberish
    gabble, jabber, jabbering
    rapid and indistinct speech
    mumbo jumbo
    language or ritual causing, or intending to cause, confusion
    type of:
    content, message, subject matter, substance
    what a communication that is about something is about
  6. noun
    unacceptable behavior (especially ludicrously false statements)
    synonyms: buncombe, bunkum, guff, hogwash, rot
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    obscene words for unacceptable behavior
    type of:
    drivel, garbage
    a worthless message
  7. verb
    flee; take to one's heels; cut and run
    synonyms: break away, escape, fly the coop, head for the hills, hightail it, lam, run, run away, scarper, scat, take to the woods, turn tail
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    flee, fly, take flight
    run away quickly
    run away, as if in a panic
    make a rupture in the ranks of the enemy or one's own by quitting or fleeing
    run away in a stampede
    abscond, absquatulate, bolt, decamp, go off, make off, run off
    run away; usually includes taking something or somebody along
    elope, run off
    run away secretly with one's beloved
    break loose, escape, get away
    run away from confinement
    retreat at full speed
    defect, desert
    desert (a cause, a country or an army), often in order to join the opposing cause, country, or army
    type of:
    go away, go forth, leave
    go away from a place
  8. verb
    avoid paying
    synonyms: beat
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    type of:
    cheat, chisel, rip off
    deprive somebody of something by deceit
  9. noun
    a long trough for feeding cattle
    synonyms: feed bunk
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    type of:
    manger, trough
    a container (usually in a barn or stable) from which cattle or horses feed
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