Source : Webster's Revised Unabridged Dictionary (1913)

Mammary \Mam"ma*ry\, a. [Cf. F. mammaire.] (Anat.)
   Of or pertaining to the mamm[ae] or breasts; as, the mammary
   arteries and veins.

Source : WordNet®

mammary
     adj : of or relating to the milk-giving gland of the female