: an inhabitant of the plains.

What was a plainsman?

plainsman - an inhabitant of a plains region (especially the Great Plains of North America) North America - a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama. denizen, dweller, habitant, inhabitant, indweller - a person who inhabits a particular place.

What does Allate mean?

: a winged insect (such as an ant or termite) of a kind having winged and wingless forms.