what is an ensign flag
Full Definition of ENSIGN. 1. : a flag that is flown (as by a ship) as the symbol of nationality and that may also be flown with a distinctive badge added to its design.2. a: a badge of office, rank, or power b: emblem, sign. a flag that is flown (as by a ship) as the symbol of nationality and that may also be flown with a distinctive badge added to its design. 2.