Definition of porches:
(n) :
(architecture) A covered entrance to a building, whether taken from the interior, and forming a sort of vestibule within the main wall, or projecting without and with a separate roof. A porch often has chair(s), table(s) and swings.
(n) :
A portico; a covered walk.
(n) :
The platform outside the external hatch of a spacecraft.
(n) :
A surname.
(n) :
(with definite article) The Stoic philosophy (after the public porch on the agora of Athens where Zeno taught).