, feminine form of Frederick. Quite rare in English.
2007 Elinor Lipman: My Latest Grievance ISBN 0618872353 page 16:And there was the basic yet awful matter of my name, Frederica Hatch, due to the unfortunate coincidence of a maternal grandmother named Frieda, who died six weeks before I was born, and a favorite paternal great-uncle Frederic, who'd been a Freedom Rider at eighty. - - - When I asked if an accidental boy would have been Frederic, they said no. It was Frederica they loved.
