Definition of cants:
(n) :
(countable) An argot, the jargon of a particular class or subgroup.
(n) :
(countable, uncountable) A private or secret language used by a religious sect, gang, or other group.
(n) :
A language spoken by some Irish Travellers; Shelta.
(n) :
(uncountable, derogatory) Empty, hypocritical talk.
(n) :
(uncountable) Whining speech, such as that used by beggars.
(n) :
(countable, heraldry) A blazon of a coat of arms that makes a pun upon the name (or, less often, some attribute or function) of the bearer, canting arms.