chas ‧ m /ˈkæz ə m/ BrE AmE noun
[ Date: 1500-1600 ; Language: Latin ; Origin: chasma , from Greek ]
1 . [countable] a very deep space between two areas of rock or ice, especially one that is dangerous:
a rope bridge across the chasm
2 . [singular] a big difference between two people, groups, or things SYN gulf
chasm between
the chasm between rich and poor