Naut. [f. BITT + -ER (prob. as in header, rounder, cropper, whopper).] (See quot.)

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1627.  Capt. Smith, Seaman’s Gram., vii. 30. A Bitter is but the turne of a Cable about the Bits, and veare it out by little and little. And the Bitters end is that part of the Cable doth stay within boord.

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1630.  J. Taylor, Wks., 44 (N.). To let fall an Anchor, which being done, the tide running very strong, brought our ship to so strong a bitter, that the fast which the Portugals had vpon vs brake.

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1867.  Smyth, Sailor’s Word-bk., 103. A ship is ‘brought up to a bitter’ when the cable is allowed to run out to that stop…. When a chain or rope is paid out to the bitter-end, no more remains to be let go.

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  Hence, perh. bitter end: but cf. BITTER a. 2 b.

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Mod.  If he refuse to come to terms, we will fight it out to the bitter end.

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