01 adv. Of each; an equal quantity; as, wine and honey, ana (or, contracted, aa) two ounces, ℥ ij., that is, of wine and honey, each, two ounces.
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Of each; an equal quantity; as, wine and honey, ana (or, contracted, aa) two ounces, ℥ ij., that is, of wine and honey, each, two ounces.(Med.)“An apothecary with a . . . long bill of anas.” — Dryden.