What is "bedwarmers"

Usage examples of "bedwarmers".

It might be true, since it was a fact that despite official denial crossbreeds between servants and Chosen were possible-and did happen, even though designated bedwarmers were always sterile.

The bedwarmers all hate him, they weep when they are called to serve him-and weep even harder when they come back.

The Lord of the Crossing had outlived seven wives and was now wed to his eighth, but he spoke of them only as bedwarmers and brood mares.