The meaning of the Acronym FIRST is...

FIRST is

• Firearm Instruction Responsibility And Safety Training

More Meanings For FIRST:

• Frontiers In Research Space and Time
• Floppy Inclusions and Rigid Substructure Topography
• Furthering Information Research Support And Training
• Freshman Incorporating Respect Service and Teamwork
• First Inspiration And Recognition Of Science And Technology
• For Inspiration and Recognition of Science and Technology
• First In Recognition Of Science And Technology
• Flexible Instruction Reference And Support Tool
• Fighting Irish Retired Service Team
• For Inspiration and Recognition of Science and Technology
• Feedstock Impregnation And Rapid Steam Treatment
• Farmer's Independent Research Of Seed Technologies
• Friendly Information Referral Service Team
• Fast Intensive Report Supervision And Treatment
• FDA Information Retrieval System

FIRST is also in:

• Astronomy
• Awards & Medals
• Electronics
• Farming
• FDA
• General
• Universities