pod \pod\, n. probably akin to pudding, and perhaps the same
   word as pad a cushion; cf. also dan. pude pillow, cushion,
   and also e. cod a husk, pod.
   1. a bag; a pouch. obs. or prov. eng. --tusser.
      1913 webster

   2. bot. a capsule of plant, especially a legume; a dry
      dehiscent fruit. see illust. of angiospermous.
      1913 webster

   3. zool. a considerable number of animals closely clustered
      together; -- said of seals.
      1913 webster

   pod auger, or pod bit, an auger or bit the channel of
      which is straight instead of twisted.
      1913 webster
see also:
angiospermous pod auger pod bit