Backer
A deer that has passed maturity, and has begun to diminish in size of body and horn as old age comes on. Also called BATER.
Bay.-(1) The second tine or branch upon a deer's horns, counting from the head upwards.
Also called BEY. (2) The stag is "at bay" when he turns to face the hounds, either too much exhausted to run further, or having found a strong position of defence. The hounds in their turn are said to "bay" or "bring to bay" a deer in such a position.