n.
Pronunciation: ' täp- ˌ s ā l, -s ə l
Variant: also top · s'l \ -s ə l \
Function: noun
Date: 14th century
1 : the sail next above the lowermost sail on a mast in a square-rigged ship
2 : the sail set above and sometimes on the gaff in a fore-and-aft rigged ship