san·i·tar·y 
(sănĭ-tĕr′ē)
(sănĭ-tĕr′ē)adj.
1. Of or relating to health or the protection of health.
2. Free from elements, such as filth or pathogens, that endanger health; hygienic: sanitary conditions for the preparation of food.
[French sanitaire, from Latin sānitās, health; see SANITY.]
san′i·tari·ly (-târə-lē) adv.