The Collaborative International Dictionary of English v.0.48:

Behight \Be*hight"\, v. t. [imp. Behight; p. p. Behight,
   Behoten.] [OE. bihaten, AS. beh[=a]tan to vow, promise;
   pref. be- + h[=a]tan to call, command. See Hight, v.] [Obs.
   in all its senses.]
   1. To promise; to vow.
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            Behight by vow unto the chaste Minerve. --Surrey.
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   2. To give in trust; to commit; to intrust.
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            The keys are to thy hand behight.     --Spenser.
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   3. To adjudge; to assign by authority.
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            The second was to Triamond behight.   --Spenser.
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   4. To mean, or intend.
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            More than heart behighteth.           --Mir. for
                                                  Mag.
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   5. To consider or esteem to be; to declare to be.
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            All the lookers-on him dead behight.  --Spenser.
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   6. To call; to name; to address.
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            Whom . . . he knew and thus behight.  --Spenser.
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   7. To command; to order.
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            He behight those gates to be unbarred. --Spenser.
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The Collaborative International Dictionary of English v.0.48:

Behight \Be*hight"\, n.
   A vow; a promise. [Obs.] --Surrey.
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