A rhythmical work song originally sung by sailors(noun)
WordNet. Princeton University. 2010.
Use "sea chantey" in a sentence
"And that sea chantey on the backbar is right on target, with fifteen guests poisoned and one guest dead."
"It was only a little boy, singing in a shrill treble the sea chantey which seamen sing the wide world over when they man the capstan bars and break the anchors out for "Frisco" port."