Definition of dicky-seat:
(n) :
A diminutive of the male given name Richard.
(n) :
(vulgar, slang) A penis (dick).
(adj) :
(colloquial) In bad condition; weak, faulty, unreliable, doubtful, troublesome.
(n) :
A detachable shirt front, collar or bib.
(n) :
(Cockney rhyming slang) Dicky dirt = a shirt, meaning a shirt with a collar.
(n) :
(South Asia) The luggage storage compartment of a sedan/saloon style car.