of a sailing vessel
is any sail
set forward of the foremost mast
. The most common headsails are the jib
and its larger cousin the genoa
, but there are a large number of others, such as the staysail
Some headsails can only be flown on specific points of sail, such as the spinnaker, which is only flown when sailing downwind, and the gennaker, used when sailing a course between downwind and close hauled.