• Webster's Revised Unabridged Dictionary
    • n Baresark A Berserker, or Norse warrior who fought without armor, or shirt of mail. Hence, adverbially: Without shirt of mail or armor.
    • ***
Century Dictionary and Cyclopedia
    • n baresark A berserk or berserker.
    • baresark In a shirt only; without armor.
    • ***
Chambers's Twentieth Century Dictionary
    • Baresark a fierce Norse fighter, a berserker
    • ***


Webster's Revised Unabridged Dictionary
Literally, bare sark, or shirt,
Chambers's Twentieth Century Dictionary
A.S. bær; Ger. baar, bar; Ice. berr.


In literature:

Coincidentally, Marjorie, quite baresark, laid hands upon the largest stick within reach and fell upon Penrod with blind fury.
"Penrod" by Booth Tarkington
Flopit was baresark from the first, and the mystery is where he learned the dog-cursing that he did.
"Seventeen" by Booth Tarkington
He peered down this path, but he saw no Baresark, though it was worn by Baresark feet.
"Eric Brighteyes" by H. Rider Haggard
It was individualism baresark, amok, crazily frantic.
"The Fortunate Youth" by William J. Locke
No baresark of them, nor Odin's self, was a bit of truer stuff.
"The World's Greatest Books, Vol XII." by Arthur Mee
If Jaffery chooses to go Baresark and Liosha to throw her cap over the topmasts, why in the world shouldn't they?
"Jaffery" by William J. Locke
Then it was said that the Baresark was coming up to the homestead, and then the fires were made and burned strong.
"The story of Burnt Njal" by Anonymous
They fought baresark, interlocked and silent, spinning from side to side of the room.
"Where the Pavement Ends" by John Russell
Then a sort of Baresark madness came over him, and he sprang upon me like a fiend.
"A Crime of the Under-seas" by Guy Boothby

In poetry:

Now in the filth of war, the baresark shout
Of battle, it is vexed. And yet so oft
Out of the deeps, of old, it rose aloft
That they who watch the ages may not doubt.
"Victory" by C S Lewis