A violent north wind.

1

1844.  During the continuance of a norther, the cold is intense, and the wind so penetrating, it is almost impossible to keep oneself warm.—Mrs. Houstoun, ‘Texas and the Gulf of Mexico,’ ii. 147. (N.E.D.)

2

1888.  Our first experience with a Texas norther surprised and startled us. [A description follows.]—Mrs. Custer, ‘Tenting on the Plains,’ pp. 182–3.

3

1888.  A norther in that maelstrom of a Gulf [of Mexico], makes a land storm mild in comparison.—Id., p. 274.

4