name: A surname (very rare: popularity rank in the U.S.: #24351)
noun: Alternative form of oast [(Britain) A kiln for drying tobacco, malt and especially hops.]
noun: Initialism of original soundtrack.
noun: (law, space science) Initialism of Outer Space Treaty: a treaty that represents the basic legal framework of international space law, signed in 1967.
noun: Initialism of Open Skies Treaty.
noun: (UK politics, historical) Initialism of Office of Science and Technology.
