Skysail

A skysail is the uppermost sail in many old square-rigged sail-plans (though sometimes topped by a moonsail). It was also on the royal mast above the royal sail. It was typically used in light winds.[1]

  1. ^ King, Dean (2000). A Sea of Words (3 ed.). Henry Holt. p. 404. ISBN 978-0-8050-6615-9.