1. (Capitalized) The paved plaza in Central Square, Cambridge, known as gathering place for the indigent, the not-yet-great, the unfortunate and forgotten, women of varying levels of morality, and other self-described "champions of society".

2. (Not Capitalized) Any such urban location known primarily for the uniqueness and dramatic interest of the economically disadvantaged who congregate there.
1. When I found Shawn at the Terradome last night he was so cranked out that he looked like he belonged there.

2. We were out drinking in New Orleans a couple weeks ago and Erin started to flip out when she realized we were in a terradome.
by The S Dot June 1, 2011
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