capsule

noun

1.
a small container
Derived from:
capsular
2.
a pill in the form of a small rounded gelatinous container with medicine inside
3.
a dry dehiscent seed vessel or the spore-containing structure of e.g. mosses
Derived from:
capsular
4.
a shortened version of a written work
5.
a structure that encloses a body part
Derived from:
capsular
6.
a spacecraft designed to transport people and support human life in outer space
7.
a pilot's seat in an airplane that can be forcibly ejected in the case of an emergency; then the pilot descends by parachute