southeast

Concise Oxford English Dictionary © 2008 Oxford University Press:
south-east

▶noun (usu. the south-east)

• 1 the direction towards the point of the horizon midway between south and east.

• 2 the south-eastern part of a country, region, or town.

▶adjective

• 1 lying towards, near, or facing the south-east.

• 2 (of a wind) blowing from the south-east.

▶adverb to or towards the south-east.

– derivatives
south-eastern adjective.