Med. [f. mod.L. agalaxia (also agalactia) a. Gr. ἀγαλαξία = ἀγαλακτία, f. ἀγάλακτ-ος: see prec.] A want or deficiency of milk in a mother after childbirth.
1731. Bailey, vol. II., Agala′xy, want of milk to give suck with.
1755. in Johnson n. q.
1864. R. F. Burton, Dahome, II. 243. Milk is not used, and animals seem to labour under a natural agalaxy.