(transitive) To rid of microorganisms by cleaning or disinfecting. / (transitive, by extension) To make something, such as a dramatic work, more acceptable by removing potentially offensive material.

(US) Alternative form of sanatorium

(botany) Any of several plants, of the genus Sanicula, having palmate compound leaves and small flowers arranged in umbels; the snakeroot.

Of, or relating to health. / Clean and free from pathogens; hygienic.

Sanitary towel.

(historical) Either of two types of civil authorities set up in England in the late 19th century to be responsible for public health.

(Britain, historical) A sanitary district that was established in a municipal borough.

(Britain, historical) A sanitary district established in an area not having a town government.

(engineering) The study, design, construction and operation of landfills.

The act of checking that something does not contain elementary mistakes or impossibilities, or is not based on invalid assumptions.