plural of plainful

A river in Wisconsin and Illinois, United States, which forms the Illinois River. / A city in Cook County, Illinois, named after the river.

(geography) The relatively flat region of North American grasslands east of the Rocky Mountains, from Alberta, Saskatchewan, and Manitoba in the north, to Texas in the south.

(cryptography) Text or any data that is to be encrypted (as opposed to ciphertext).

(computing) Consisting only of plain text.

Alternative spelling of plainsong

Alternative spelling of floodplain

(geography) A plain formed by the deposition of sediment from the periodic flooding of a river.

Paper that has no ruled lines or other markings on it. / Non-glossy photographic paper.

The Apache peoples living primarily in Oklahoma.