Entry 1 sense Webster, 1913 Hydræmia /(hī̇*drē"mĭ*ȧ)/ · Hy·dræ·mi·a · IPA /hʌɪˈdɹiːmɪə/ 01 n. An abnormally watery state of the blood; anæmia. 1. An abnormally watery state of the blood; anæmia.(Med.)