'Khamsin' definitions:
Definition of 'khamsin'
(from WordNet)
noun
An oppressively hot southerly wind from the Sahara that blows across Egypt in the spring
Definition of 'Khamsin'
From: GCIDE
- Kamsin \Kam*sin"\, Khamsin \Kham*sin"\, n. [Ar. khams[imac]n, fr. khams[=u]n, oblique case khams[imac]n, fifty; -- so called because it blows for about fifty days, from April till June.] A hot southwesterly wind in Egypt, coming from the Sahara. [Written also Khamseen.] [1913 Webster]