What does Macl stand for?

Maclaren on Wills and Successions - A publication (DLA)

Maclaurin's Scotch Criminal Decisions - A publication (DLA)

Master of Arts in Classroom Psychology (PGP)

Maximum Approximate Conditional Likelihood - Statistics

Minimum Acceptable Compliance Level (IAA)

Mood Adjective Check List - Psychometrics

Multiple-Aspect Colour-Light Signalling - Indian Railway (TIR)