The Collaborative International Dictionary of English v.0.48:
Lactary \Lac"ta*ry\, a. [L. lactarius, fr. lac, lactis, milk: cf. F. lactaire.] Milky; full of white juice like milk. [Obs.] "Lactary or milky plants." --Sir T. Browne. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Lactary \Lac"ta*ry\, n. a dairyhouse. [R.] [1913 Webster]