Foot

Fairway

The centre portion of a navigable channel.

Fairlead

A fitting — often a block, ring, or slotted plate — that redirects a line with minimum fri…

Forward

Toward the bow.

Following sea

A wave train overtaking the vessel from astern.

Full

A sail drawing properly, filled with wind and not luffing.

Furling mainsail

A mainsail designed to roll up inside the mast (in-mast) or inside the boom (in-boom), all…