To 'snicker' is to laugh in a cruel or mocking fashion.
Ice-apple in British English
jam
A cheque is British English for a check in American English.
The form of the verb to snicker is correct, "snickers" (meaning laughing quietly or in a suppressed way).The candy bar by M&M Mars is capitalized as Snickers.
risitas
The "British language" is English. So the answer is that it means "sway".
Yes, advice is British, meaning you giving me verbal help .
A British dictionary is packed full of English words (and their meaning).
Centre, humour, labour, sabre, aeroplane, metre. -Those are all in "English" .
The word meaning "smell" is spelt odour in British English and odor in American English.
It's the same as in any other form of English.
Yes it can be an adjective when referring to someone being British. It's also a proper noun. (e.g. when referring to "The British")