pod

1 pod /ˈpɑːd/ noun
plural pods
1 pod
/ˈpɑːd/
noun
plural pods
Britannica Dictionary definition of POD
[count]
1 
: a long, thin part of some plants that has seeds inside
2 
: a long, narrow area that is under the wings or body of an airplane and that is used to hold something (such as fuel or a jet engine)
3 
: a part of a spacecraft that can be separated from the main part
4 
: a case that contains the eggs of certain insects (such as grasshoppers)

two peas in a pod

— see pea
2 pod /ˈpɑːd/ noun
plural pods
2 pod
/ˈpɑːd/
noun
plural pods
Britannica Dictionary definition of POD
[count]
: a group of ocean animals (such as whales) that are swimming together