Definitions containing the term line double

What does line double mean?

MNBN	Main & Bergen Company Line Governmental » Transportation
OL	On Line Internet » Chat
DSL	Digital Subscriber Line Computing » Networking
OTL	Over The Line Governmental » Military
DBL	Double Miscellaneous » Unit Measures
DSL	Digital Subscriber Line Computing » Telecom
DSL	Digital Subscriber Line Community » Media
DSL	Digital Subscriber Line Computing » Drivers
DBL	Double Community » Sports
CLI	Command Line Interface Computing » Networking
CLI	Command Line Interface Computing » General
ONL	On Line Internet
ADSL	Asymmetric Digital Subscriber Line Internet
ADSL	Asymmetric Digital Subscriber Line Academic & Science » Electronics
ADSL	Asymmetric Digital Subscriber Line Computing » Telecom
ADSL	Asymmetric Digital Subscriber Line Computing » Networking
NCL	Norwegian Cruise Line Business » Firms
NCL	Norwegian Cruise Line Governmental » Transportation
FOLDOC	Free On Line Dictionary Of Computing Miscellaneous » Unclassified
HELOC	Home Equity Line Of Credit Business » Stock Exchange
HAL	Holland America Line Business » Firms
HAL	Holland America Line Governmental » Transportation
OLAP	On Line Analytical Processing Computing » General
LOB	Line Of Business Business » General
NLOS	Non Line-Of-Sight Governmental » Military