a waterproof raincoat made of rubberized fabric
"After the sudden downpour, she pulled her old mack over her head to stay dry."
Short for Mack truck.
"The engineer inspected the mack that supported the radio antennas atop the ship's main exhaust stack."
An individual skilled in the art of seduction using verbal skills.
A raincoat or mackintosh.
An element of a ship's superstructure which places the function of a ship's mast on its exhaust stack, adding the skeletal supporting structure to the smokestack to support the mast's complement of functions.
In plain English: A mack is an old-fashioned slang term for someone who acts tough and tries to impress others by pretending they have money or power.
"After macking on the dance floor, he went home to rest."
Usage: The term "mack" is an informal slang noun referring specifically to a man who acts as a pimp or panders for others, often used within criminal contexts rather than everyday conversation. Avoid confusing this with the nautical definition of a ship's superstructure element unless discussing maritime engineering topics.
To act as pimp; to pander.
"The new manager was fired after it was revealed that he used his position to mack vulnerable employees into breaking company rules."
In plain English: To mack means to show off your wealth or style impressively.
"The old man decided to mack his shoes before going out for dinner."
A man; used to address a man whose name is unknown.
"The stranger called out, "Hey mack," before asking me for directions."
The word mack likely originated as a shortening of the male name Mack, which itself derives from the fish mackerel via the Old French term maquerel. This lineage traces back to the Dutch word makelaar, meaning broker or dealer.