Also An intervening space between two things. (JK, Mgh, * TA.) The space between the fore legs and the kind legs of a horse; (JK, K;) as also ↓خَوًى. (JK.) A vacant space between two things; (K;) such between the heaven and the earth; (TA;) like هَوَاءٌ. (K, TA.)
3.
A wide, or spacious, open tract of the earth, containing no herbage nor trees nor habitations. (TA.)