Of, relating to, or discharging sanies; ichorous(adjective)
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Use "sanious" in a sentence
"About the tenth day, the discharge, which up to that time had been only sanious and serous, showed a slight admixture of slimy pus; and this increased till (a few days before I left) it amounted to about three drachms in twenty-four hours."
"It has a discharge from the eyes, and a fetid, sanious discharge from the nose."
"These pustules break, discharging a thin, sanious fluid, leaving minute ulcers in their places."