(of a boat's sail) having no boom or not secured to a boom at the foot.
（船帆）无张帆杆的，下缘无吊杆的
Example sentencesExamples
Adjust the sheeting angle: The leech and foot of loose-footed sails should have the same tension.
Sails are normally left bent on and hoisted and are furled by brailiing lines. These are a traditional form of furling a loose-footed sail and very quickly draw the sails into the masts.
However, that situation started to change during the 1980s after Americas Cup sail designers began experimenting with loose-footed mainsails.