Originally Posted by sonofsam

Acronym Definition
TDL Tactical Data Link
TDL Tactical Down Link
TDL Tap Delay Line
TDL Task Direction Letter
TDL Tau Dither Loop
TDL Technical Direction Letter
TDL Techniques Development Laboratory
TDL Technology Delivered Learning
TDL Technology Development Laboratory
TDL Template Definition Language
TDL Test Description Language
TDL Texas Driver License
TDL The Dragon Lady
TDL Thin Dark Line (band, Baltimore, Maryland)
TDL Tim Donut Ltd.
TDL Tokyo Disneyland
TDL Too Damn Lazy
TDL Training Data Link
TDL Transformation Definition Language
TDL Transparent Datalink
TDL Treatment and Disposition Log
TDL Trusted Delivery Layer (electronic commerce)
TDL Tunnel-Diode Logic