boil boil /ˈbɔɪl/

noun

1. The temperature at which a liquid boils at sea level  ( boil , boiling point )
   the temperature at which a liquid boils at sea level
    They brought the water to a boil
   they brought the water to a boil
   
   
2. A painful sore with a hard core filled with pus  ( boil , furuncle )
   a painful sore with a hard core filled with pus
   
   

verb

1. () Immerse or be immersed in a boiling liquid, often for cooking purposes  ( boil )
   immerse or be immersed in a boiling liquid, often for cooking purposes
    Boil potatoes
   boil potatoes
    Boil wool
   boil wool
   
   
2. () Come to the boiling point and change from a liquid to vapor  ( boil )
   come to the boiling point and change from a liquid to vapor
    Water boils at 100 degrees Celsius
   Water boils at 100 degrees Celsius
   
3. () Bring to, or maintain at, the boiling point  ( boil )
   bring to, or maintain at, the boiling point
    Boil this liquid until it evaporates
   boil this liquid until it evaporates
   
4. Be in an agitated emotional state  ( boil , seethe )
   be in an agitated emotional state
    The customer was seething with anger
   The customer was seething with anger
   
5. Be agitated  ( boil , churn , moil [ N. American] , roil )
   be agitated
    The sea was churning in the storm
   the sea was churning in the storm
   

 remorse remorse /rɪˈmɔrs/

noun

1. () A feeling of deep regret (usually for some misdeed)  ( self-reproach , compunction , remorse )
   a feeling of deep regret (usually for some misdeed)
   
   

 Tower of London Tower of London /ˈtaʊər əv ˈlʌndən/

noun

1. A fortress in London on the Thames; used as a palace and a state prison and now as a museum containing the crown jewels  ( Tower of London )
   a fortress in London on the Thames; used as a palace and a state prison and now as a museum containing the crown jewels
    The Tower of London has been a significant historical site for centuries, currently housing the crown jewels.
   The Tower of London has been a significant historical site for centuries, currently housing the crown jewels.
   
   

 Mandela Mandela /ˌmænˈdɛlə/

noun

1. South African statesman who was released from prison to become the nation's first democratically elected president in 1994 (born in 1918)  ( Mandela , Nelson Mandela , Nelson Rolihlahla Mandela )
   South African statesman who was released from prison to become the nation's first democratically elected president in 1994 (born in 1918)