noun Alternative letter-case form of Yankee of the ICAO/NATO radiotelephony alphabet.
noun A headsail resembling a genoa or a jib but with a high-cut clew, normally used together with a staysail. A sailing boat is typically equipped with three yankee sails of different sizes, number one being the largest.
noun Alternative letter-case form of Yankee from the NATO/ICAO Phonetic Alphabet.
noun Obsolete form of Yankee (“either a US Northerner or any US American”).