bond

bond 1

•  noun [C]

1    a shared feeling or interest that unites people:
?bond between:
the natural bond between mother and child
2    an official document promising that a government or company will pay back money that it has borrowed, often with INTEREST:
?government bonds

bond 2

• verb [I,T]

1    when one thing bonds with another, or if something bonds them together, they become joined or firmly glued together
2    to develop a special relationship with someone:
?bond with: The players are finally bonding with each other as a team.