Botany A dehiscent fruit of a leguminous plant such as the pea, splitting along two sides. A dry, several-seeded, dehiscent fruit. Also called seedpod. Zoology An egg case of certain insects, especially a locust or other orthopteran. Geology An deposit of rock or sediment that is much longer than it is wide. A casing or housing forming part of a vehicle, as: A streamlined external housing that encloses engines, machine guns, or fuel. A detachable compartment on a spacecraft for carrying personnel or instrumentation. Something resembling a pod, as in compactness. To bear or produce pods. To expand or swell like a pod. The lengthwise groove in certain boring tools such as augers. The socket for holding the bit in a boring tool.