The meaning of the Acronym TT is...

TT is

• Track and Trail
• Travel Team
• Tourist Trophy
• Tournament Terrors
• Tutshill Tornados
• Touring Trophy
• Time Trial
• Table-Tennis

More Meanings For TT:

• Teletype Text
• Typewriter Text
• Trouble Ticket
• Transverse Traceless
• TeleType
• Techno Terminal
• Time-Tagged
• Tiny Telephone
• Text Telephone
• Touch Tone
• Top This
• Terrible Twins
• Totally Terrific
• Thermal Transfer
• Test Tube

TT is also in:

• Assembly
• Chat
• Chemistry
• General
• Hardware
• Security
• Telecom