/peuh tay"toh, -teuh/ , n. , pl. potatoes .
1. Also called Irish potato, white potato . the edible tuber of a cultivated plant, Solanum tuberosum, of the nightshade family.
2. the plant itself.
3. See sweet potato (defs. 1, 2).
[ 1545-55; patata white potato, var. of batata sweet potato ]