Definition of grice:
(n) :
(now Scotland) A pig, especially a young pig, or its meat; sometimes specifically, a breed of pig or boar native to north Britain, now extinct.
(v) :
(UK, rail transport, slang) to act as a trainspotter; to partake in the activity or hobby of trainspotting.
(n) :
(obsolete) A step or stair.
(n) :
A surname.