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."