noun a metallic seal or cover for closing a bottle.
2. capsule ·noun a small, shallow, evaporating dish, usually of porcelain.
3. capsule ·noun a small cup or shell, as of metal, for a percussion cap, cartridge, ·etc.
4. capsule ·noun a small saucer of clay for roasting or melting samples of ores, ·etc.; a scorifier.
5. capsule ·noun a small cylindrical or spherical gelatinous envelope in which nauseous or acrid doses are inclosed to be swallowed.
6. capsule ·noun a membranous sac containing fluid, or investing an organ or joint; as, the capsule of the lens of the eye. also, a capsulelike organ.
7. capsule ·noun a dry fruit or pod which is made up of several parts or carpels, and opens to discharge the seeds, as, the capsule of the poppy, the flax, the lily, ·etc.