Definitions of cant:

noun: insincere talk about religion or morals
noun: a characteristic language of a particular group (as among thieves)
noun: two surfaces meeting at an angle different from 90 degrees
noun: stock phrases that have become nonsense through endless repetition
noun: a slope in the turn of a road or track; the outside is higher than the inside in order to reduce the effects of centrifugal force
verb: heel over