| Definition/Meaning | Word/Phrase |
|---|---|
| triangular fore-and-aft sail with its foot along the gaff and its luff on the topmast | fore-and-aft topsail , gaff topsail |
| quadrilateral fore-and-aft sail suspended from a gaff | gaff-headed sail , gaffsail |
| rope running from peak of gaff to deck of boat | vang |