bond1 W3 [countable]
an official document promising that a government or company will pay back money that it has borrowed, often with interest:
My father put all his money into stock market bonds.
furious trading on the bond market
something that unites two or more people or groups, such as love, or a shared interest or idea [↪ tie]
the emotional bond between mother and child
the United States' special bond with Britain
lifelong bonds of friendship
3 [plural] literary
something that limits your freedom and prevents you from doing what you want
the bonds of fear and guilt
the way in which two surfaces become attached to each other using glue:
Use a glue gun to form a strong bond on wood or china.
the chemical force that holds atoms together in a molecule:
In each methane molecule there are four CH bonds.
a written agreement to do something, that makes you legally responsible for doing it [↪ contract]
used to say that you will definitely do what you have promised
in or out of a bonded warehouse