The part of the heart that separates the two ventricles from one another and thus stopping deoxygenated and oxygenated blood (bllod without/with oxygen respectively) from mixing.
Galen thought the septum had holes in, but he was wrong.
A hole in the septum is a serious problem.
The septum is very thick here.
by Shadowstalke February 04, 2008
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The small area of cartilage between your nostrils. Very popular piercing area. However, caution should be exercised with this piercing, and should not be done if you have a deviated septum.
"I now look like a bull with my huge septum ring!"
by invictus February 19, 2004
A small fleshy area inbetween your nostrils, generaly confused with cartillage, but it is indeed flesh and not cartillage. this is a common area to get pierced, which in most cases is a generaly painless procedure. this is also a great piercing to have if you would like to have many piercings, but, you dont want them all to be visible, because with a 12 or 14 gauge retainer (relatively horse shoe shaped) you can easily turn or slip the ring up.
that guy has his septum pierced, he's extreme...
by mischivousmic April 14, 2007
A transit agency for the Philadelphia region. Gifted with a great system inherited from the PTC, P&W, Red Arrow, PRR and Reading Railroad, but hamstrung by a shitty management almost from their start in the 1960s. They ignore the city while pandering to the suburbs, fucking over the source of 60 or more percent of their ridership. They are simultaneously cursed and blessed by many residents of Philadelphia.

Also a killer of trolley lines, and inventor of bustitution.
Goddamn SEPTA sucks, why do we need a fucking line to Reading when we can't even run enough rail service on the routes we own!!!
by Wdobner March 25, 2004
Acronym- South Eastern Pennsylvania Transportation Authority
The SEPTA train was running 30 minutes late.
by Wraith July 16, 2004
The part of your nose that seperates your nostrils. It can be pierced for a "bull ring" type effect. Also if you do a lot of cocaine over a long period of time (like daily use for years) you will likely rot a hole through your septum, sometimes destroy it altogether and get left with one big nostril...nasty.
Notable people with pierced septums include Keith Flint (from Prodigy) and Saint Dog (of Kottonmouth Kings fame)

Don't do cocaine daily for a long period of time, you can do some serious damage to your septum.

Do you think it is possible for a cocaine user with a hole erroded through their septum to wear a ring through it?
by El Skuncho July 05, 2007
Society for the Elimination of Public Transportation Altogether; the official name for the Southeastern Pennsylvania Public Transportation Authority for many Philadelphians.

Also see: INEPTA
SEPTA must pull random times for their schedules out of their ass; their buses or trains are always late.
by darkdan November 11, 2007
The little piece of cartilidge between your nostrils.
"Getting your septum pierced hurts like hell!"
by Shinku July 20, 2003

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