What is the meaning of DOST?

As an acronym DOST stands for:

1. Department of Science and Technology
   
2. Dictionary of the Older Scottish Tongue
   
3. Direct Oocyte Sperm Transfer (reproductive science)
   
4. Durham Open Space and Trails Commission (est. 1983; Durham, NC)
   
5. Date of Suspension or Termination
   

As an English Word, dost is:

archaic second person singular present of the verb do

Dost as a Word also appears in other languages. For example, in Hindi it means:

दोस्त {dost} = FRIEND(Noun)