Definition of Poche

"Poche" is French for "pocket." In architecture it refers to plans or maps that have materials completely blacked in, to get a better idea of the geometry of the physical space by outlining it.
ref: wiki.answers.com/Q/What_is_poche_in_architecture




Poche: the walls, columns, and other solids of a building or the like, as indicated on an architectural plan, usually in black.
ref: http://dictionary.reference.com/browse/poche

Poche: In an architectural drawing, the blackened portions representing solids.
ref: http://www.answers.com/topic/poche