Emily Dickinson Lexicon

MOB, n. [from L. mobilis, movable, variable.]

1. A crowd or promiscuous multitude of people, rude, tumultuous and disorderly.
2. A disorderly assembly. Had every Athenian citizen been a Socrates, every Athenian assembly would still have been a mob. – Federalist, Madison.
3. A huddled dress. – Steele.