Available Definitions:
1) a. - Soft, and full of cavities; of an open, loose, pliable texture; as, a spongy excrescence; spongy earth; spongy cake; spongy bones.
2) a. - Wet; drenched; soaked and soft, like sponge; rainy.
3) a. - Having the quality of imbibing fluids, like a sponge.