osar

Plural: osars

Noun

• a mouth or mouthlike opening
• a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
• (computer science) software that controls the execution of computer programs and may provide various services
• the left eye
• rigid connective tissue that makes up the skeleton of vertebrates
• An esker.

Synonyms

atomic number 76, bone, oculus sinister, operating system, OS, Os, os, osmium