Definition of peapod:
(n) :
(botany) The pod of the pea plant, that holds the seeds (the peas) until they ripen
(n) :
(informal) The pod and its contents as a vegetable; the mangetout
(n) :
(nautical) A small rowboat traditionally used for fishing and lobstering in Maine.
(n) :
(materials science) A hybrid nanomaterial consisting of spheroidal fullerenes encapsulated within a carbon nanotube.