the mast at the rear of a three masted ship.
Third mast from the bow of a ship, barque or schooner.
third mast from the bow in a sailing ship with three or more masts
The pole on the Good Ship R/H where you can often find one of the crew strung by their toes shouting ARGH!. Victim most often the First Mate for the offense of 'Late Minutes.' (See " Good Ship R/H", " ARGH!".)
A shorter mast located aft of the main mast on a yawl or ketch.
the rear most mast.
A smaller aft mast on a ketch or yawl rigged boat.