skeleton

1 skeleton /ˈskɛlətən/ noun
plural skeletons
1 skeleton
/ˈskɛlətən/
noun
plural skeletons
Britannica Dictionary definition of SKELETON
[count]
1 
a  : the structure of bones that supports the body of a person or animal
b  : a set or model of all the bones in the body of a person
— see picture at human
2 
: a very thin person or animal
3 
a  : the frame of a building
b  : a basic outline of a plan, piece of writing, etc.

skeletons in the/your closet

informal or British skeletons in the/your cupboard
: something bad or embarrassing that happened in your past and that is kept secret
2 skeleton /ˈskɛlətən/ adjective
2 skeleton
/ˈskɛlətən/
adjective
Britannica Dictionary definition of SKELETON
: having the smallest possible number of people who can get a job done