swamp hickory swamp hickory /swɑmp ˈhɪkəri/

noun

1. Hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts  ( bitter hickory , bitter pignut , bitternut , bitternut hickory , Carya cordiformis , swamp hickory )
   hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts
   
   

 prisoner of war prisoner of war /ˈprɪznər ʌv wɔːr/

noun

1. () A person who surrenders to (or is taken by) the enemy in time of war  ( POW , prisoner of war )
   a person who surrenders to (or is taken by) the enemy in time of war
    After the battle, they took him as a prisoner of war, hoping for an exchange.
   After the battle, they took him as a prisoner of war, hoping for an exchange.
   
   

 aviatress aviatress /ˈæviːətrɪs/

noun

1. A woman aviator  ( airwoman , aviatress , aviatrix )
   a woman aviator
   
   

 helm helm /ˈhɛlm/

noun

1. () (figurative) a position of leadership  ( helm )
   (figurative) a position of leadership
    The President is at the helm of the Ship of State
   the President is at the helm of the Ship of State
   
2. () Steering mechanism for a vessel; a mechanical device by which a vessel is steered  ( helm )
   steering mechanism for a vessel; a mechanical device by which a vessel is steered
    The captain took the helm to steer the ship through the storm.
   The captain took the helm to steer the ship through the storm.
   
   

verb

1. Be at or take the helm of  ( helm )
   be at or take the helm of
    Helm the ship
   helm the ship