FORESAIL

n.

Pronunciation: ' fo ̇ r- ˌ s ā l, -s ə l

Function: noun

Date: 15th century

1 : the lowest sail set on the foremast of a square-rigged ship or schooner ― see SAIL illustration

2 : the sole or principal headsail (as of a sloop, cutter, or schooner)