Flukes—The broad, arrow-shaped parts of an anchor.
Fore—The part of a vessel nearest to the bow.
Fore and aft—Parallel to the keel. A fore-and-after is a vessel without square sails like a sloop or schooner.
Foul—Entangled or caught, as a rope is foul, meaning it is caught in someway. To foul another boat is to run into it.
Furl—To roll up and make sails fast so that the wind cannot distend them.
Gaff—The spar that extends the head of a main or foresail.
Gasket—A short piece of rope used to tie up sails with, frequently called a stop.
Gripe—A boat is said to gripe when she tries to force her bow up in the wind, and has to be held off by putting the helm up.
Halyards—Ropes used to hoist a sail.
Hanks—Rings made fast to the luff of a jib to hold it to the stay up which it is hoisted. On small boats snap-hooks are generally used.