capsule

a small container

a pill in the form of a small rounded gelatinous container with medicine inside

a dry dehiscent seed vessel or the spore-containing structure of e.g. mosses

a shortened version of a written work

a structure that encloses a body part

a spacecraft designed to transport people and support human life in outer space

a pilot's seat in an airplane that can be forcibly ejected in the case of an emergency; then the pilot descends by parachute

enclose in a capsule

put in a short or concise form; reduce in volume; "capsulize the news"