gap

gap /ˈgæp/ noun
plural gaps
gap
/ˈgæp/
noun
plural gaps
Britannica Dictionary definition of GAP
[count]
1 
a  : a space between two people or things
b  : a hole or space where something is missing
2 
: a missing part
3 
: a part or period in which nothing happens
4 
: a difference between two people, groups, or things — often + between
— see also credibility gap, generation gap