Definition of "Desert" :
noun: (usually plural) a person's deservingness of or entitlement to reward or punishment
noun: arid land with little or no vegetation
verb: leave someone who needs or counts on you; leave in the lurch
"The mother deserted her children."
verb: leave behind
"The students deserted the campus after the end of exam period."
verb: desert (a cause, a country or an army), often in order to join the opposing cause, country, or army
"If soldiers deserted Hitler's army, they were shot."