\Sa"ni*ous\, a. [L. saniosus, fr. sanies: cf. F.
sanieux.]
1. (Med.) Pertaining to sanies, or partaking of its nature
   and appearance; thin and serous, with a slight bloody
   tinge; as, the sanious matter of an ulcer.
2. (med.) Discharging sanies; as, a sanious ulcer.