noun

• (Britain, Ireland, dated) Initialism of £sd. (pounds, shillings, pence) [(Britain, historical after 1971) the pre-decimal pounds, shillings, pence]
• Initialism of lysergic acid diethylamide. [(organic chemistry) A powerful synthetic hallucinogen, commonly abbreviated LSD.]
• Initialism of Lake Shore Drive (freeway in Chicago).
• Initialism of long slow distance (training method of long-distance running).
• (geology) Initialism of longshore drift (geological process by which sediments move along a beach shore). [The process whereby sand and shingle move along a beach shoreline when waves approach the shore at an angle.]
• (mechanics) Initialism of limited-slip differential. [(mechanics) A type of differential that allows its output shafts to rotate at different speeds but can limit the maximum difference in angular velocity between the output shafts, allowing greater torque to be applied to the slower-spinning shaft(s) and generally resulting in better traction than older-design differentials.]
• (veterinary pathology) Initialism of lumpy skin disease. [An economically important infectious disease in cattle caused by Lumpy skin disease virus (genus Capripoxvirus, family Poxviridae).]