Reference meaning
ost
Last updated
Obsolete form of oast.
Other meanings
2. noun
Initialism of original soundtrack.
3. proper noun
Initialism of Outer Space Treaty: a treaty that represents the basic legal framework of international space law, signed in 1967.
4. proper noun
Initialism of Open Skies Treaty.
Source and scope
This definition is reproduced from English Wiktionary, sense en-ost-en-noun-MklO4zUp, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.