- ensign - a person who holds a commissioned rank in the United States Navy or the United States Coast Guard; below lieutenant junior grade
--1 is a kind of commissioned naval officer
- national flag, ensign - an emblem flown as a symbol of nationality
--2 is a kind of emblem, allegory; flag
- ensign - colors flown by a ship to show its nationality
--3 is a kind of colors, colours
- national flag, ensign - an emblem flown as a symbol of nationality