The mother of Augustus Prew was a fashion designer.
FCAS may refer to  :. Fellow of the Casualty Actuarial Society. Casualty Actuarial Society. Casualty Actuarial Society. Familial cold autoinflammatory syndrome , a genetic disease. Familial cold autoinflammatory syndrome. Familial cold autoinflammatory syndrome. Future Combat Air System. Future Combat Air System. Future Combat Air System. Frequency Control Ancillary Services. Frequency Control Ancillary Services. Ancillary services ( electric power )