boomless en · ADJ
Etymology
From boom + -less.
Meanings
-
(not-comparable) Without a boom.
Another advantage of our boomless staysail is that it can overlap the mast a bit. This gives you a little more sail area and an increase in slot efficiency compared to the shorter-footed boomed staysail.
2010, Lin and Larry Pardey, The Capable Cruiser: 3rd edition, page 102: