pith
helmet n. Protective sun-helmet made of dried pith from plants.
n. The soft spongy substance in the center of the stems of many plants and trees, especially those of the dicotyledonous or exogenous classes. It consists of cellular tissue.
helmet n. Protective sun-helmet made of dried pith from plants.
n. The soft spongy substance in the center of the stems of many plants and trees, especially those of the dicotyledonous or exogenous classes. It consists of cellular tissue.