noun
sawyer's song; woodcutters' work song
A traditional work song sung by sawyers (woodcutters) while sawing lumber, often in a call-and-response style. Historical term; not part of modern daily life.
木挽歌は、昔の木こりたちが歌った仕事歌の一つです。
The sawyer's song is one of the work songs sung by woodcutters in the old days.
Compound of 木挽き (kobiki, 'sawyer' or 'woodcutting') and 歌 (uta, 'song'). The exact historical origin is uncertain, but it belongs to the tradition of Japanese work songs (仕事歌).