MOD

noun

1. An unconventionally modern style of fashionable dress originating in England in the 1960s, characterized by ankle-length black trenchcoats and sunglasses.
2. A 1960s British person who dressed in such a style and was interested in modernism and the modern music of the time; the opposite of a rocker.
3. A modification.

verb

1. To modify (an object) from its original condition, typically for the purposes of individualizing and/or enhancing the performance of the object.
2. To moderate; to silence or punish (a rule-breaking user) on a forum, especially when done by a moderator.

noun

1. One of several ancient Greek scales.
2. One of several common scales in modern Western music, one of which corresponds to the modern major scale and one to the natural minor scale.
3. A particular means of accomplishing something.