Secondaries

noun

1. Any flight feather attached to the ulna (forearm) of a bird.
2. An act of issuing more stock by an already publicly traded corporation.
3. The defensive backs.
4. An inductive coil or loop that is magnetically powered by a primary in a transformer or similar
5. One who occupies a subordinate or auxiliary place; a delegate deputy.

   "the secondary, or undersheriff, of the city of London"