The meaning of the Acronym HAT is...

HAT is

• HOORA (Hierarchical Object-Oriented Requirements Analysis) Analysis Tool

More Meanings For HAT:

• Hardware Address Translation
• HOORA (Hierarchical Object-Oriented Requirements Analysis) Analysis Tool
• Here And There
• How About That
• Hypoxanthine, Aminopterin, Thymidine
• Histone AcetylTransferase
• Hatteras Income Securities, Inc.
• Hinte Anderson Trail
• Height Above Touchdown
• Handling and Assembly Technology
• Homework And Teachers
• History of Advertising Trust
• Homework, Attendance, and Tardies
• Heathlands, Queensland, Australia

HAT is also in:

• Airport Codes
• Chat
• Chemistry
• Educational
• Hardware
• Human Genome
• Media
• NYSE Symbols
• Schools
• Software
• State and Local
• Transportation