a. A dehiscent fruit of a leguminous plant such as the pea.
b. A dry, several-seeded, dehiscent fruit. Also called seedpod.
2. Zoology A protective covering that encases the eggs of some insects and fish.
3. A casing or housing forming part of a vehicle, as:
a. A streamlined external housing that encloses engines, machine guns, or fuel.
b. Aerospace A detachable compartment on a spacecraft for carrying personnel or instrumentation.
4. Something resembling a pod, as in compactness.