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Webster 1913 Edition

Noun.

[L.

oxymeli

, Gr. [GREEK][GREEK][GREEK];

ὀξύσ

acid + [GREEK][GREEK][GREEK] honey.]

(Med.)

A mixture of honey, water, vinegar, and spice, boiled to a sirup.

Sir T. Elyot.

Noun.

[Gr. acid, and honey.]

A mixture of vinegar and honey.

oxymel ‎(plural oxymels)

(historical, medicine) A mixture of honey, water, and vinegar, boiled to a syrup, sometimes mixed with herbs or spices.
- 1621, Robert Burton, The Anatomy of Melancholy, II.5.3.i:
  If it long continue, vomits may be taken after meat, or otherwise gently procured with warm water, oxymel, etc., now and then.