versant

A gadget lover, Alexander is known to roll up his sleeves to become versant with the latest security technologies.

From Reuters ● May 26, 2013

The western versant supplies the gold of Senegambia, the southern that of Ashanti and Wásá.

From To The Gold Coast for Gold, Vol. II A Personal Narrative by Sir Richard Francis Burton

The one Costa Rican locality of record also is in the Caribbean versant.

From Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country by J. Knox Jones

I have heard from mariners and skilful pilots, much versant in the Indian seas, and have seen in their writings, that these seas contain 12,700 islands, inhabited or desert.

From A General History and Collection of Voyages and Travels — Volume 01 Arranged in Systematic Order: Forming a Complete History of the Origin and Progress of Navigation, Discovery, and Commerce, by Sea and Land, from the Earliest Ages to the Present Time by Robert Kerr

Most of the rivers of the northern versant are comparatively small, as the island narrows into a kind of promontory.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" by Various