'Canting heraldry' definitions:

Definition of 'Canting heraldry'

From: GCIDE

Canting \Cant"ing\, a. Speaking in a whining tone of voice; using technical or religious terms affectedly; affectedly pious; as, a canting rogue; a canting tone. -- {Cant"ing*ly}, adv. -- {Cant"ing*ness}, n. [1913 Webster]
Canting arms, Canting heraldry (Her.), bearings in the nature of a rebus alluding to the name of the bearer. Thus, the Castletons bear three castles, and Pope Adrian IV. (Nicholas Breakspeare) bore a broken spear. [1913 Webster]