flag
UK[flæɡ]US[flæɡ]
n
A piece of cloth with a special coloured design on it that may be the symbol of a particular country or organization, or may have a particular meaning
n
A piece of cloth that acts as a signal, especially on a ship
v
To put a special mark next to information that you think is important so that you can find it again easily
v
To become tired, weak, or less enthusiastic
Etymology
The origin of the word 'flag' is somewhat obscure. It likely emerged in the late 16th century, perhaps related to the obsolete English word 'flag' meaning a piece of turf or sod, which could be used as a marker. Another possibility is an onomatopoeic link to the Middle English 'flacken', meaning to flap or flutter, describing the motion of a cloth in the wind. Over time, the word became specifically attached to pieces of cloth used as symbols, signals, or markers, solidifying its modern meanings. Its later verbal sense, "to become weak," may derive from the image of a flag drooping or hanging limply on a windless day.
Analysis
The word 'flag' is a simplex word of uncertain origin, likely imitative or symbolic. It does not neatly divide into productive morphemes in modern English.
Examples
The national flag was flying at half-mast.
The ship raised a flag to signal for help.
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