society > travel > travel by water > vessel, ship, or boat > equipment of vessel > masts, rigging, or sails > sail > [noun] > sail set under bowsprit (3)
In some square-rigged vessels: a small, square sail attached to a yard slung under the bowsprit. Cf. sprit, n.1 3a. Now historical.
The name of a type of sail found on tea-clippers. Cf. Jimmy Green n. at Jimmy, n.2 8.
= Jamie Green, n.; a sail under the jib-boom.