ensign
noun
[ ˈɛnsʌɪn ]
• a flag or standard, especially a military or naval one indicating nationality.
Similar:
flag,
standard,
colour (s),
jack,
banner,
pennant,
pennon,
streamer,
banderole,
pendant,
burgee,
vexillum,
gonfalon,
guidon,
labarum,
• the lowest rank of commissioned officer in the US and some other navies, above chief warrant officer and below lieutenant.
• "a copy of Ensign Smith's report"
Origin:
late Middle English: from Old French enseigne, from Latin insignia ‘signs of office’ (see insignia). Compare with ancient2.