1. MAC is an Acronym for Money Access Center. The machine is redundant as it is in ATM machine.

2. Common term for ATM used in northeastern states and metropolitan areas.

Solarpunk is a movement focused on a positive, ecological vision for a future where technology is used for human-centric and ecocentric purposes. It is a literary, artistic and aesthetic sub-genre and is also closely tied to eco-political activism. Solarpunk narratives have a distinctly positive and utopian foundation in contrast to the often dystopian visions found within other "punk" science fiction genres.

A type of Automated Teller Machine (ATM) produced under the brand-name MAC, usually displaying this logo on the "idle" screen with each of the letters made up of smaller letters.

An ATM machine. The company that maintains a lot of ATM machines in New York, New Jersey and Philadelphia is called MAC. Hence, the ATMs in those areas are frequently called MAC machines.

A pistol like sub machine gun developed by Gordon B Ingram back in the early 70s. The gun is available in .45ACP (Mac 10) and the .380 cal (Mac 11) Both are capeable of blazing through magazines in a blink. A popular choice by gangsters for their ability to spray bullets from a car window during a drive by.

A computer running a Macintosh operating system, either the old Mac OS 9/below (aka Classic), or the current BSD-based Mac OS X. These days a "mac machine" is almost assuredly manufactured by Apple Computers, because for some stupid reason Apple decided some years ago that no one else but them could make Macintoshes. (Editorial: I miss PowerComputing).

This phrase is usually spoken by an older woman who knows next to nothing about computers, as would the phrase "windows machine". And it's not sexist of me to say that, because it's just a fact. There's nothing wrong with being an older woman.