DAILY UPDATED VOCABULARY WITH PICTURES. CAPSULE.

• cap‧sule [countable]
• 1 a plastic container shaped like a very small tube with medicine inside that you swallow whole [↪ tablet]
• 2 a small plastic container with a substance or liquid inside
• 3 the part of a spacecraft in which people live and work:
• a space capsule orbiting the Earth
• ➔ time capsule

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.